单项选择题


Questions 9 to 12 are based on the conversation you have just heard.

A．Because scientists like mosquitoes,
B．Because mosquitoes adapt quickly and can change their body chemistry.
C．Because the medicine against mosquitoes is of bad quality.
D．Because there are too many mosquitoes.
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单项选择题
A．He was lazy.B．He’s a slow learner.C．He was incompetent.D．He was rude to the boss.
A．He was lazy.
B．He’s a slow learner.
C．He was incompetent.
D．He was rude to the boss.
单项选择题
A．Parents are very strict towards their children.B．Parents work hard and have little time for their children.C．Parents are not honest and do not practice what they advise.D．Parents require their children to learn many new skills.
A．Parents are very strict towards their children.
B．Parents work hard and have little time for their children.
C．Parents are not honest and do not practice what they advise.
D．Parents require their children to learn many new skills.
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