皮皮学，免费搜题
登录
搜题
【单选题】
透镜成像的光路中,横向放大率是( )。A.
像高
B.
像沿主光轴的移动距离除以物沿主光轴的移动距离
C.
入射孔径角除以出射孔径角
D.
以上都不对
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】破碎机的施力形式主要有 、 、 、 和冲击等五种。
【单选题】设有下列语句: char str1[]="string", str2[8], *str3, *str4="string"; 则_______是对库函数strcpy的不正确调用。此函数用来复制字符串。
A.
strcpy(str3,"HELLO3");
B.
strcpy(str2,"HELLO2");
C.
strcpy(str1,"HELLO1");
D.
str4=str1; strcpy(str4,"HELLO4");
【单选题】Drivers’using _____mobile phones on ______road is also a main cause of traffic accidents
A.
the ;the
B.
/;/
C.
/; the
D.
the ;/
【单选题】Because of road works, traffic is restricted to one ______ in each direction.
A.
lane
B.
row
C.
alley
D.
path
【简答题】试论述母鸡的翻肛的操作及对人工输精效果的影响,在生产中如何进行有效操作?
【简答题】请根据自己选的的产品,完成其装配图。
【简答题】阅读理解。 Hello, everyone. Here is something important for everyone going to London next month. As you know, you are going to stay with a family for two weeks. Now, the most important thing is money. You ...
【单选题】What is a major cause of road deaths among young Americans?
A.
Chatting while driving.
B.
Messaging while driving.
C.
Driving under age.
D.
Speeding on highways.
【单选题】设有语句：char str1[]='string', str2[8], *ste3, *str4='string';，则下列不是对库函数 strcpy的正确调用的是______。
A.
strcpy(str1,'HELLOI');
B.
strcpy(str2,'HELLO2');
C.
strcpy(str3,'HELLOY');
D.
strcpy(str4,'HELLO4');
【简答题】Questions 9-13 Read the notice about road works below. In boxes 9-13 on your answer sheet write TRUE if the statement is true FALSE if the statement is false NOT GIVEN if the information is not given ...
相关题目：