皮皮学，免费搜题
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搜题
【单选题】
泵铭牌上一般标注什么效率？
A.
容积
B.
水力
C.
机械
D.
总
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：
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..
皮皮学刷刷变学霸
举一反三
【判断题】暗管排水系统里不包括集水管。
A.
正确
B.
错误
查看完整题目与答案
【单选题】After _____ the league, he often helps others. [     ]
A.
joining in
B.
joining
C.
joined
D.
joined in
查看完整题目与答案
【多选题】子程序调用需注意()
A.
子程序调用语句要求单独成段
B.
主、子程序中的G、M、F和S功能代码具有相互维承性
C.
最好不要在刀具补偿状态下调用子程序
D.
M98和M99必须成对出现，且不在同一编号的程序段内
查看完整题目与答案
【单选题】Thank you for _____________ CCTV’s Around The World show.
A.
join
B.
is joining
C.
to join
D.
joining
查看完整题目与答案
【多选题】Which are the roles for the UNICEF Ambassador of Goodwill?
A.
He makes public appearances and talks.
B.
He pays visits to troubled regions.
C.
He takes use of his political access to advocate UNICEF causes.
D.
He attracts attention from celebrities.
查看完整题目与答案
【单选题】The following are job benefits by joining Toastmasters EXCEPT______.
A.
becoming familiar with various means of communication
B.
learning how to deliver messages in an organized way
C.
becoming aware of audience expectations
D.
learning how to get along with friends
查看完整题目与答案
【单选题】当两束相干光在空间相遇产生相干叠加时,干涉相长的条件是[ ]
A.
光程差等于波长的整数倍
B.
光程差等于半个波长的奇数倍
C.
光程差等于四分之一个波长的奇数倍
查看完整题目与答案
【单选题】Thank you for _____ the school play. [     ]
A.
joining
B.
to join
C.
joins
D.
is joining
查看完整题目与答案
【单选题】风景区保护培育规划的分级保护时，哪一个属于严格限制建设范围区？
A.
特级保护区
B.
一级保护区
C.
二级保护区
D.
三级保护区
查看完整题目与答案
【单选题】 分离溶液中的各种蛋白质可采用
A.
水提醇沉法
B.
醇提水沉法
C.
盐析法
D.
透析法
查看完整题目与答案
相关题目：
【判断题】暗管排水系统里不包括集水管。
A.
正确
B.
错误
查看完整题目与答案
【单选题】After _____ the league, he often helps others. [     ]
A.
joining in
B.
joining
C.
joined
D.
joined in
查看完整题目与答案
【多选题】子程序调用需注意()
A.
子程序调用语句要求单独成段
B.
主、子程序中的G、M、F和S功能代码具有相互维承性
C.
最好不要在刀具补偿状态下调用子程序
D.
M98和M99必须成对出现，且不在同一编号的程序段内
查看完整题目与答案
【单选题】Thank you for _____________ CCTV’s Around The World show.
A.
join
B.
is joining
C.
to join
D.
joining
查看完整题目与答案
【多选题】Which are the roles for the UNICEF Ambassador of Goodwill?
A.
He makes public appearances and talks.
B.
He pays visits to troubled regions.
C.
He takes use of his political access to advocate UNICEF causes.
D.
He attracts attention from celebrities.
查看完整题目与答案
【单选题】The following are job benefits by joining Toastmasters EXCEPT______.
A.
becoming familiar with various means of communication
B.
learning how to deliver messages in an organized way
C.
becoming aware of audience expectations
D.
learning how to get along with friends
查看完整题目与答案
【单选题】当两束相干光在空间相遇产生相干叠加时,干涉相长的条件是[ ]
A.
光程差等于波长的整数倍
B.
光程差等于半个波长的奇数倍
C.
光程差等于四分之一个波长的奇数倍
查看完整题目与答案
【单选题】Thank you for _____ the school play. [     ]
A.
joining
B.
to join
C.
joins
D.
is joining
查看完整题目与答案
【单选题】风景区保护培育规划的分级保护时，哪一个属于严格限制建设范围区？
A.
特级保护区
B.
一级保护区
C.
二级保护区
D.
三级保护区
查看完整题目与答案
【单选题】 分离溶液中的各种蛋白质可采用
A.
水提醇沉法
B.
醇提水沉法
C.
盐析法
D.
透析法
查看完整题目与答案