皮皮学，免费搜题
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【单选题】
对胎儿发育的描述，正确的是A.
8周末从外观可分辨男女
B.
12周末8超可见胎心搏动
C.
20周末可听到胎心
D.
24周末体重约为l000g
E.
32周末出生后生命力弱
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【简答题】An advisor to _________________President Richard Nixon said military leaders in Iraq are repeating a mistake made in Vietnam.
【判断题】According to Richard Tomkins,technology has made our life easier because machines have done work for us.
A.
正确
B.
错误
【简答题】As Richard grew older he rebelled his uncle and made decisions that were not popular the most powerful men in the country.
【简答题】数据：15，17，14，10，15，17，17，16，14，12的中位数为 ，众数为
【单选题】Bill: What made you decide to buy a travel agency?
A.
inserting
B.
deleting
C.
browsing
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