单项选择题

A．It was one of the first tools.
B．It developed human intelligence.
C．It led to the invention of machines.
D．It was the key to the success of mankind.
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单项选择题
A．Culture shock and its contributing factors.B．How to deal with culture shock.C．The harmful effects of culture shock.D．Different types of culture shock.
A．Culture shock and its contributing factors.
B．How to deal with culture shock.
C．The harmful effects of culture shock.
D．Different types of culture shock.
单项选择题
A．A divorce in which both husband and wife want to call the marriage off.B．A divorce in which the couple have got children,C．A divorce in which the couple cannot agree on the guardianship.D．A divorce in which only one spouse agrees to dissolve the marriage.
A．A divorce in which both husband and wife want to call the marriage off.
B．A divorce in which the couple have got children,
C．A divorce in which the couple cannot agree on the guardianship.
D．A divorce in which only one spouse agrees to dissolve the marriage.
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