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【判断题】
利用齿轮系可以实现运动的合成与分解A.
正确
B.
错误
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【单选题】They’re late. The film _____ for 5 minutes.
A.
has begun
B.
has started
C.
has been on
D.
start
【简答题】A．She has been studying late into night all week. B．She has made plans to work late all week. C．She has not been free to go out with Abruzzi all week. D．She has been busy tidying up her apartment all ...
【单选题】They’re late. The film _______ for half an hour.
A.
Has begun
B.
has been on
C.
started
D.
has started
【单选题】They are late. The film __________ for five minutes.
A.
has begun
B.
has started
C.
has been on
D.
began
【单选题】No one except two students ______ the meeting. a. has been late for b. have been late for c. was late for d. were later for
A.
has been late for
B.
have been late for
C.
was late for
D.
were late for
【多选题】气相色谱分析法在药品质量分析中的应用包括( )
A.
药材、饮片及制剂中部分农药残留量的检测
B.
中药材中二氧化硫含量测定
C.
酊剂（如藿香正气水、十滴水等）中甲醇、乙醇含量测定
D.
药品中有机溶剂残留量检测
【简答题】No one except two students _____ the meeting. [ ] a. has been late for b. have been late for c. was late for d. were later for
相关题目：
【单选题】They’re late. The film _____ for 5 minutes.
A.
has begun
B.
has started
C.
has been on
D.
start
参考解析：
知识点：
题目纠错 0
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