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【多选题】
二胡主要由()、()、()、()、琴弓等部分组成。A.
琴筒
B.
琴杆
C.
轸子
D.
千金
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皮皮学刷刷变学霸
举一反三
【单选题】The Whites came here to buy some clothes and _____ on an old friend of theirs.
A.
call
B.
for calling
C.
calling
D.
called
【简答题】The Beginning of the Civil Rights Movement In 1955，bus seats for African Americans and whites were separated in parts of the U．S.. On December 1,1955，in the city of Montgomery，Alabama，a conflict，or di...
【判断题】Some whites were driven by religious convictions and took part in this movement.
A.
正确
B.
错误
【单选题】American football comes from ______.
A.
soccer
B.
rugby
C.
both soccer and rugby
D.
neither soccer nor rugby
【判断题】Marguerite met Mrs. Flowers in the town of Stamps where the B、lacks and whites were equal.()
A.
正确
B.
错误
【单选题】下列关于泥浆护壁成孔灌注浆的说法不正确的是( )。
A.
泥浆成孔灌注桩适用于地下水位较高的地质条件
B.
泥浆密度在黏土和压黏土中应控制在1.1～1.3，在较厚夹砂层应控制在1.1～1.2。
C.
泥浆护壁成孔灌注桩在钻孔达到指定深度后，应立即进行清孔。
D.
泥浆护壁成孔灌注桩浇筑水下混凝土一般采用导管法施工。
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