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【单选题】
The details of the private investigation show that the firmA.
was interested in his family background.
B.
intended to check out his other job offers.
C.
wanted to know something about his preference.
D.
was interested in any personal detail of the man.
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举一反三
【简答题】辐射诱变的发生频率一般和______成正比，而与______无关。倘若照射的______不变。不管单位时间内照射的______多少，基因的______总是保持一定。
【单选题】Mum wants to tell her boys ______.
A.
how difficult it is to raise them
B.
how difficult is it to raise them
C.
how difficult to raise them
D.
how difficult is to raise them
【单选题】How difficult is it for you to focus on one thing at a time?
A.
quite difficult
B.
sometimes difficult
C.
not at all difficult
【简答题】短文填空 I know how easy it is to start smoking and how difficult it is to stop. During adolescence, I became 1 to cigarettes. When l was young, I didn't know that it could do 2 to my heart and lungs. Nei...
【简答题】Brave it out, no matter how difficult it is.
【简答题】A．How difficult it is to learn to ride a bicycle. B．It is impossible to learn to ride this bicycle. C．How difficult it is to learn a new software package. D．To learn to ride a bicycle is the same thin...
【单选题】水磨石板比天然大理石有更多的选择性，物美价廉，是建筑上广泛应用的装饰材料，可制成各种形状的饰面板，水磨石板材按使用部位分为以下类型，下列表述中错误的是( )。
A.
地面与楼面用水磨石
B.
踏脚板、立板与三角板类水磨石
C.
隔断板和台面板类水磨石
D.
抛光水磨石
【单选题】This passage is largely about
A.
how difficult it is to become a doctor in America.
B.
how American medical education has developed in history.
C.
how nice the American medical education system is.
D.
how to become a good doctor.
【判断题】It is important for the teacher to show students how easy it is to understand something from authentic materials rather than how difficult it is to understand everything.（）
A.
正确
B.
错误
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