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【简答题】
一个PPP帧的数据部分(用十六进制写出)是7D 5E FE 27 7D 5D 7D 5D 65 7D 5E。试问真正的数据是什么(用十六进制写出)?
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【简答题】Paragraph 13. 1. fortnight: explain. 2. look into: explain and make up a sentence. 3. in search of: explain and make up a sentence. 4. parked out back: explain. 5. a pile of: explain. 6. fill out: mak...
【单选题】已知某地 35 岁以上正常成年男性的收缩压的总体均数为 120.2mmHg, 标准差为 11.2 mmHg 。从该地随机抽取 10 名 7 岁正常男孩,测得其平均收缩压为 90.5 mmHg ,标准差为 10.4mmHg ,则 90.5mmHg 与 120.2mmHg 不同,原因是 ( )。
A.
个体变异
B.
抽样误差
C.
总体均数不同
D.
系统误差
【多选题】对于人的头型,中国传统的人相有 “ 八格 ” 之说,下面选项中,属于 “ 八格 ” 的有
A.
甲 由 申
B.
田 目 国
C.
国 风 用
D.
日 月 风
【简答题】(首师大2015)音位是一个语音系统中能够__________的最小语音单位。
【判断题】梯形图中触点可画在水平线上,也可画在垂直分支线上。
A.
正确
B.
错误
【判断题】在夜间施工的通信工程均需要计列夜间施工增加费。
A.
正确
B.
错误
【单选题】已知年龄会影响收缩压水平, 某地35岁以上正常成年男性的收缩压的总体均数为120.2mmHg 。某研究从某地随机抽取20名35岁以上正常成年男性,测得其平均收缩压为112.8 mmHg。又从该地随机抽取10名7岁正常男孩,测得其平均收缩压为90.5mmHg。120.2与90.5之间的差异主要是由于
A.
抽样误差
B.
随机误差
C.
测量误差
D.
过失误差
E.
两总体均数的不同
【单选题】在放大电路中,静态工作点过低,会引起( )。
A.
.相位失真
B.
截止失真
C.
饱和失真
D.
交越失真
【单选题】【A1】
A.
SEARCH, DON'T FIL E.
B.
MAKE AN APPOINTMENT RIGHT AFTER WOR K.
E.
FIGURE OUT YOUR CORE WORK ACTIVITIES. D.AVOID INSTANT MESSAGING AND TURN OFF PHONES. E.SAY NO. WHAT WOULD YOU DO IF YOU HAD AN EXTRA HOUR A DAY? THIS IS A COMMON BARRIER I RUN INTO WHEN I WRITE ABOUT MAKING POSITIVE LIFE CHANGES:PEOPLE DON'T HAVE TIME TO PURSUE THEIR DREAMS.PEOPLE DON'T HAVE TIME TO EXERCIS E.PEOPLE DON'T HAVE TIME TO GET ORGANIZE D.WELL, IT'S TIME TO MAKE TIM E.BY USING SOME COMBINATION OF THE FOLLOWING, YOU CAN FREE UP AN HOUR OR MORE A DAY.FIND THE ONES THAT WORK FOR YOU (NOT ALL WILL WORK FOR EVERYONE), AND THEN CARVE OUT THAT HOUR A DAY.THEN MAKE SURE YOU USE THAT EXTRA HOUR A DAY IN THE BEST WAY POSSIBLE—BOOK THAT HOUR ON YOUR CALENDAR FOR SOMETHING YOU REALLY, REALLY WANT TO DO, WHETHER THAT'S WORK ON A GOAL, WRITE A BOOK, START A BUSINESS, EXERCISE, READ MORE, OR WHATEVER.DON'T SQUANDER THIS GIFT OF TIME! 【A1】______ WHETHER IT'S EXERCISE OR WORKING ON SOME OTHER GOAL, MAKE AN APPOINTMENT TO DO IT RIGHT WHEN YOU GET OUT OF WORK (AT 5 P. M., FOR EXAMPLE).THIS WORKS ESPECIALLY WELL IF YOU HAVE TO MEET SOMEONE ELSE, SUCH AS A WORKOUT PARTNER OR OTHER GROUP OR TEAM OR COACH OR PARTNER, YOU'LL BE SURE TO MEET THE APPOINTMENT, WHICH MEANS YOU WON'T STICK AROUND WORK TOO LONG, AND YOU'LL BE SURE TO FINISH ALL YOUR TASKS ON TIME SO YOU CAN LEAVE ON TIM E.THIS MAKES YOU MORE EFFICIENT IN THE AFTERNOON ESPECIALLY. 【A2】______ I'M NOT SAYING THESE TYPES OF INSTANT COMMUNICATION DON'T HAVE THEIR USES, BUT IF THEY'RE ALWAYS ON AND YOU'RE ALWAYS AVAILABLE, YOU'RE ALWAYS AT THE MERCY OF OTHERS. IN-STEAD, JUST MAKE YOURSELF AVAILABLE AT SET TIMES IF NECESSARY, OR NOT AT ALL IF IT'S NOT NECESSARY.YOU DON'T HAVE TO TURN OFF PHONES ALL DAY LONG, BUT YOU SHOULD HAVE SOME UNBROKEN BLOCKS OF TIME WHEN YOU DON'T TAKE CALLS, SO YOU CAN CONCENTRATE ON YOUR IMPORTANT TASKS.THIS ALLOWS YOU TO GET MORE DONE IN LESS TIME, AS PHONE CALLS CAN EAT UP CHUNKS OF YOUR DAY IF YOU LET THE M. 【A3】______ I USED TO SPEND A LOT OF TIME FILING ALL MY COMPUTER FILES AND ALL MY EMAILS INTO NICE, ORGANIZED FOLDERS.I'D SPEND TIME EVERY DAY DOING THIS.NOW, I JUST ARCHIVE EVERYTHING, ON COMPUTER AND EMAIL, AND SEARCH WHEN I NEED SOMETHIN G.WITH QUICKSILVER ON THE MAC, EVERY FILE IS WITHIN A FEW KEYSTROKES.WITH GMAIL, EVERY EMAIL IS ACCESSIBLE INSTANTLY.NO TIME SPENT FILING! 【A4】______ WHAT IS IT THAT YOU REALLY HAVE TO DO EACH DAY? I MEAN, THE STUFF YOU HAVE TO DO OR YOUR JOB WOULD FALL APART IF YOU REALLY THINK ABOUT IT, A LOT OF THE TASKS YOU DO EACH DAY (AND PHONE CALLS AND EMAILS, MENTIONED ABOVE, ARE INCLUDED IN THESE TASKS) DON'T REALLY NEED TO BE DONE EACH DAY.SOMETIMES YOU CAN DO THEM LESS OFTEN, SOMETIMES YOU DON'T NEED TO DO THEM AT ALL.IF YOU CAN LEARN TO FOCUS ON YOUR CORE ACTIVITIES, YOU CAN GET YOUR WORK DONE IN LESS TIM E. 【A5】______ ONE OF THE BIGGEST GROUPS OF TIME EATERS IS REQUESTS FROM OTHER PEOPL E.ALL DAY LONG WE GET REQUESTS, IN PERSON, ON THE PHONE, IN EMAIL, THROUGH PAPERWOR K.MEETINGS, ASSIGNMENTS, REQUESTS FOR INFORMATION, REQUESTS TO BE ON A COMMITTEE OR TEA M...THESE ARE ALL REQUESTS THAT WILL EAT UP YOUR TIM E.SAY NO TO ALL BUT THE ESSENTIALS.GET TO THE POINT. WHILE I'M A FAN OF LONG, SLOW CONVERSATIONS, IF YOU'RE TRYING TO MAKE TIME FOR GOALS, YOU NEED TO WHITTLE DOWN NEEDLESSLY LONG CONVERSATIONS—ESPECIALLY IF IT'S JUST WITH A COWORKER WHO ISN'T A CLOSE FRIEN D.IN PERSON OR ON THE PHONE, YOU NEED TO GET STRAIGHT TO THE POINT WITH A MINIMUM OF CHIT-CHAT, AND IF THE OTHER PERSON ISN'T GETTING TO THE POINT, POLITELY ASK WHAT HE NEEDS FROM YOU.
【单选题】正常运行时,压缩空气压力应维持在多少()
A.
0.6 MPa 左右
B.
0.7 MPa 左右
C.
0.8 MPa 左右
D.
0.9 MPa 左右
相关题目:
【单选题】【A1】
A.
SEARCH, DON'T FIL E.
B.
MAKE AN APPOINTMENT RIGHT AFTER WOR K.
E.
FIGURE OUT YOUR CORE WORK ACTIVITIES. D.AVOID INSTANT MESSAGING AND TURN OFF PHONES. E.SAY NO. WHAT WOULD YOU DO IF YOU HAD AN EXTRA HOUR A DAY? THIS IS A COMMON BARRIER I RUN INTO WHEN I WRITE ABOUT MAKING POSITIVE LIFE CHANGES:PEOPLE DON'T HAVE TIME TO PURSUE THEIR DREAMS.PEOPLE DON'T HAVE TIME TO EXERCIS E.PEOPLE DON'T HAVE TIME TO GET ORGANIZE D.WELL, IT'S TIME TO MAKE TIM E.BY USING SOME COMBINATION OF THE FOLLOWING, YOU CAN FREE UP AN HOUR OR MORE A DAY.FIND THE ONES THAT WORK FOR YOU (NOT ALL WILL WORK FOR EVERYONE), AND THEN CARVE OUT THAT HOUR A DAY.THEN MAKE SURE YOU USE THAT EXTRA HOUR A DAY IN THE BEST WAY POSSIBLE—BOOK THAT HOUR ON YOUR CALENDAR FOR SOMETHING YOU REALLY, REALLY WANT TO DO, WHETHER THAT'S WORK ON A GOAL, WRITE A BOOK, START A BUSINESS, EXERCISE, READ MORE, OR WHATEVER.DON'T SQUANDER THIS GIFT OF TIME! 【A1】______ WHETHER IT'S EXERCISE OR WORKING ON SOME OTHER GOAL, MAKE AN APPOINTMENT TO DO IT RIGHT WHEN YOU GET OUT OF WORK (AT 5 P. M., FOR EXAMPLE).THIS WORKS ESPECIALLY WELL IF YOU HAVE TO MEET SOMEONE ELSE, SUCH AS A WORKOUT PARTNER OR OTHER GROUP OR TEAM OR COACH OR PARTNER, YOU'LL BE SURE TO MEET THE APPOINTMENT, WHICH MEANS YOU WON'T STICK AROUND WORK TOO LONG, AND YOU'LL BE SURE TO FINISH ALL YOUR TASKS ON TIME SO YOU CAN LEAVE ON TIM E.THIS MAKES YOU MORE EFFICIENT IN THE AFTERNOON ESPECIALLY. 【A2】______ I'M NOT SAYING THESE TYPES OF INSTANT COMMUNICATION DON'T HAVE THEIR USES, BUT IF THEY'RE ALWAYS ON AND YOU'RE ALWAYS AVAILABLE, YOU'RE ALWAYS AT THE MERCY OF OTHERS. IN-STEAD, JUST MAKE YOURSELF AVAILABLE AT SET TIMES IF NECESSARY, OR NOT AT ALL IF IT'S NOT NECESSARY.YOU DON'T HAVE TO TURN OFF PHONES ALL DAY LONG, BUT YOU SHOULD HAVE SOME UNBROKEN BLOCKS OF TIME WHEN YOU DON'T TAKE CALLS, SO YOU CAN CONCENTRATE ON YOUR IMPORTANT TASKS.THIS ALLOWS YOU TO GET MORE DONE IN LESS TIME, AS PHONE CALLS CAN EAT UP CHUNKS OF YOUR DAY IF YOU LET THE M. 【A3】______ I USED TO SPEND A LOT OF TIME FILING ALL MY COMPUTER FILES AND ALL MY EMAILS INTO NICE, ORGANIZED FOLDERS.I'D SPEND TIME EVERY DAY DOING THIS.NOW, I JUST ARCHIVE EVERYTHING, ON COMPUTER AND EMAIL, AND SEARCH WHEN I NEED SOMETHIN G.WITH QUICKSILVER ON THE MAC, EVERY FILE IS WITHIN A FEW KEYSTROKES.WITH GMAIL, EVERY EMAIL IS ACCESSIBLE INSTANTLY.NO TIME SPENT FILING! 【A4】______ WHAT IS IT THAT YOU REALLY HAVE TO DO EACH DAY? I MEAN, THE STUFF YOU HAVE TO DO OR YOUR JOB WOULD FALL APART IF YOU REALLY THINK ABOUT IT, A LOT OF THE TASKS YOU DO EACH DAY (AND PHONE CALLS AND EMAILS, MENTIONED ABOVE, ARE INCLUDED IN THESE TASKS) DON'T REALLY NEED TO BE DONE EACH DAY.SOMETIMES YOU CAN DO THEM LESS OFTEN, SOMETIMES YOU DON'T NEED TO DO THEM AT ALL.IF YOU CAN LEARN TO FOCUS ON YOUR CORE ACTIVITIES, YOU CAN GET YOUR WORK DONE IN LESS TIM E. 【A5】______ ONE OF THE BIGGEST GROUPS OF TIME EATERS IS REQUESTS FROM OTHER PEOPL E.ALL DAY LONG WE GET REQUESTS, IN PERSON, ON THE PHONE, IN EMAIL, THROUGH PAPERWOR K.MEETINGS, ASSIGNMENTS, REQUESTS FOR INFORMATION, REQUESTS TO BE ON A COMMITTEE OR TEA M...THESE ARE ALL REQUESTS THAT WILL EAT UP YOUR TIM E.SAY NO TO ALL BUT THE ESSENTIALS.GET TO THE POINT. WHILE I'M A FAN OF LONG, SLOW CONVERSATIONS, IF YOU'RE TRYING TO MAKE TIME FOR GOALS, YOU NEED TO WHITTLE DOWN NEEDLESSLY LONG CONVERSATIONS—ESPECIALLY IF IT'S JUST WITH A COWORKER WHO ISN'T A CLOSE FRIEN D.IN PERSON OR ON THE PHONE, YOU NEED TO GET STRAIGHT TO THE POINT WITH A MINIMUM OF CHIT-CHAT, AND IF THE OTHER PERSON ISN'T GETTING TO THE POINT, POLITELY ASK WHAT HE NEEDS FROM YOU.