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【单选题】
According to the author, children's books published between 1750 and 1850______.A.
were entirely positive to the black slaves in Britain
B.
depicted the black as equals of the white
C.
helped to form. a stereotype which strengthened the black racial superiority
D.
not only contained anti-slavery sentiments but also had certain negative effects on the blacks
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【简答题】この道( )まっすぐ行ってください。
【简答题】A．He would have the car repaired. B．He would have walked home. C．He would have called the police. D．He would have taken a taxi.
【单选题】现有一组数据:5、6、8、4、6、9、7,则其平均差和标准差分别为
A.
平均差为1.45，标准差1.69
B.
平均差为1.35，标准差1.59
C.
平均差为1.45，标准差1.59
D.
平均差为1.35，标准差1.69
【简答题】One day a mother camel and her son walked through a desert. They were looking for water and grass. The son asked, “What do water and grass look like, Mum?”His mother answered, “Water looks like the sk...
【单选题】He was wandering through the street, looking around _________ he walked.
A.
as
B.
since
C.
while
D.
when
【单选题】When he walked through the gate, no one noticed he was using an ________ permit. [ ]
A.
out of date
B.
up to date
C.
out-of-date
D.
in-fashion
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