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【单选题】
恒牙列中患龋的频率最高的是A.
下颌第一前磨牙
B.
下颌第二前磨牙
C.
上颌第一前磨牙
D.
上颌第二前磨牙
E.
以上都不是
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举一反三
【简答题】A．There are Several small parties in the U.S. B．There are only two parties in the U.S. C．The most powerful party in the U.S. is the Democrats. D．The most powerful party in the U.S. is the Republicans.
【多选题】改革开放以来，我国工人阶级队伍发生了明显的变化，呈现出许多新的特点，这些新特点有( )
A.
队伍迅速壮大
B.
内部结构发生重大变化
C.
岗位流动加快
D.
工人阶级不再是领导阶级
【单选题】断句:There are only two windows in thatroom .
A.
There are only two windows / in that room .
B.
There / are only two windows / in that room .
C.
There / are only two windows in / that room .
D.
There are / only two windows in / that room .
【多选题】改革开放以来，我国工人阶级队伍呈现出的新特点有( )
A.
队伍迅速壮大
B.
内部结构发生重大变化
C.
内部结构没有发生重大变化
D.
岗位流动加快
E.
自主性大为增强
【多选题】改革开放以来我国工人阶级队伍发生了明显变化,呈现出许多新的特点( )。
A.
队伍迅速壮大
B.
内部结构发生重大变化
C.
岗位流动加快
D.
工人开始在政治舞台上发挥作用
【单选题】There are only two ways to gather information from human subjects about what they are currently doing, thinking, or feeling. One way is to【C1】______ what they do, the technique of observation the【C2】_...
A.
notice
B.
see
C.
discover
D.
watch
【简答题】A．There are several small parties in the U.S. B．There are only two parties in the U.S. C．The most powerful party in the U.S. is the Democrats. D．The most powerful party in the U.S. is the Republicans.
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