单项选择题

It is suggested in Par

A．2 that ______.A. academic mobility may enhance scientific researchB. academic mobility may promote interpersonal relationsC. scientific researchers may be subject to misunderstandingD. scientific researchers work in collaboration worldwide

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单项选择题

A．they seem to be fun to beginnersB．they allow big winsC．they are easy to playD．big wins seem possible given enough time and money

A．they seem to be fun to beginners
B．they allow big wins
C．they are easy to play
D．big wins seem possible given enough time and money

单项选择题

Which of the following is NOT true of looser divorce laws

A．They seem to be effective in reducing domestic violence.
B．They may have prevented some murders.
C．They may have led to a decline in female suicide.
D．They brought about a decrease in the divorce rat