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【判断题】
同一种中心离子与有机配体形成的配合物比无机配体形成的配合物更稳定。A.
正确
B.
错误
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举一反三
【判断题】For an international flight, you’d better arrive at the airport at least 30 minutes early.
A.
正确
B.
错误
【判断题】When taking an international flight, you’d better arrive at the airport terminal two hours before departure.
A.
正确
B.
错误
【单选题】If you are invited to a person’s home for a social occasion, you’d better arrive ______.
A.
at the exact time specified
B.
earlier than the specified time
C.
several minutes later than the specified time
D.
half an hour later than the specified time
【判断题】For an international flight, you’d better arrive at the airport at least 30 minutes early.
A.
正确
B.
错误
【单选题】You’d better arrive _____minutes early.
A.
10 minutes
B.
half an hour
C.
1 hour
D.
just on time
【判断题】You’d better arrive ten minutes earlier when you are invited to have dinner at your French friend’s house.
A.
正确
B.
错误
【单选题】Whenever you have an appointment, you’d better arrive（）.
A.
a little time a head
B.
a little a head of time
C.
a head of time a little
D.
a little time a head of
【判断题】You’d better arrive to the room in which you will be speaking early to make sure everything is functional for your speech.
A.
正确
B.
错误
相关题目：
【单选题】You’d better arrive _____minutes early.
A.
10 minutes
B.
half an hour
C.
1 hour
D.
just on time