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【单选题】
在做窝沟封闭时，一般乳牙酸蚀时间A.
30秒
B.
60秒
C.
90秒
D.
120秒
E.
150秒
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举一反三
【单选题】Why is the chore boy depicted as half-wit?
A.
To show that the world is not as simple as right vs. wrong
B.
To show the preposterousness of the reason for taking a person’s life
C.
To show Harry’s sympathy
D.
To tell the vulnerability of friendship
【简答题】Is ______ three hours ______ the boy ______ family is poor to come to school on foot? A) it; that; whose B) it; that it takes; whose C) it for; that it takes; whose D) it; ...
【单选题】—The winner of the race is a tall and thin boy with thick glasses. — Then it ________ be my friend, Mike, who looks like a "meat ball".
A.
mustn't
B.
can't
C.
might
D.
should
【单选题】Many people like that poor boy, because he is _____ honest boy.
A.
a
B.
an
C.
/
D.
the
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