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【单选题】
在山谷飞行时,应该采取的措施是A.
靠近背风坡飞行
B.
靠近迎风坡飞行
C.
飞出山口马上转弯
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知识点：
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【简答题】基于绪论及测量学基础知识的学习,提出5个你最关心、最感兴趣的测量学具体研究学习问题,并试图寻找答案
【单选题】.How many foreign friends does he have? ___.
A.
None
B.
No one
C.
Not much
D.
No many
【单选题】The foreign languages school has a large collection of books, ______ are in English.
A.
many of them
B.
many ones
C.
many of which
D.
many books
【单选题】________foreign friends come to visitChina every year. [ ]
A.
Many hundred
B.
Hundreds of
C.
Many hundred of
D.
Many hundreds
【单选题】听力原文：Narrator Listen to part of a talk in an economy class. Professor Many businesses, such as department stores, restaurants, hotels, and airline companies, use a credit system for selling their prod...
A.
The satisfactory 'buy-now, pay-later' credit system.
B.
The ways the credit companies use to issue credit cards.
C.
The classification and advantages and disadvantages of credit cards.
D.
The difference between store credit cards and other credit cards.
【多选题】天然药物化学成分的预试验，一般（）
A.
测定各类成分的物理化学常数
B.
利用各类成分的检识反应
C.
可采用试管反应和色谱试验
D.
应用高效液相色谱
E.
测UV和IR光谱进行检识
【单选题】凉菜配置的 “ 五专 ” 要求指设立操作专间、专人操作和 ( ) 。
A.
专用消毒设施、使用专用工具、专用冷藏设施
B.
专用食品原料、使用通风设施、专用冷藏设施
C.
专用食品原料、使用专用工具、专用排水设施
D.
专用消毒设施、使用通风设施、专用排水设施
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