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【单选题】
在击打正手上旋球技术在后摆引拍拍的高度为?
A.
要高于平击球引拍
B.
与平击球相同
C.
随意高度
D.
低于平击球高度
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参考答案:
举一反三
【单选题】We can put the napkin _______ when we want to leave the table for a while.
A.
under the plate
B.
on the chair
C.
beside the plate
D.
on our lap
【单选题】根据《岩土工程勘察规范》(GB50021-94),工程安全等级为三级、场地等级为二级、地基等级为一级时,岩土工程勘察等级应为(多选)
A.
特级
B.
一级
C.
二级
D.
三级
【单选题】下列各式中,计算结果等于x 6 的是(  )
A.
x 7 ÷x
B.
x 3 +x 3
C.
x 3 ?x 2
D.
(x 3 ) 3
【单选题】Jim suggested that their Christmas gifts ___ and kept a while.
A.
put away
B.
be put away
C.
to be put away
D.
to put away
【单选题】下面哪一个选项是嵌入式设备
A.
PC机
B.
服务器
C.
大型机
D.
智能手表
【单选题】下列各式中计算结果等于2x 6 的是 [     ]
A.
x 3 +x 3
B.
(2x 3 ) 2
C.
2x 3 ·x 2
D.
2x 7 ÷x
【单选题】According to the author, we shouldn't neglect ______ while others put too much stress on gender differences.
A.
gender similarities
B.
gender roles
C.
the free will of us
D.
the effect of learning
【单选题】As soon as we arrived at the campsite, we erected our tent.
A.
put up
B.
put out
C.
put up with
D.
put off
【简答题】下列各式中计算结果等于2x 6 的是(  ) A.x 3 +x 3 B.(2x 3 ) 2 C.2x 3 ?x 2 D.2x 7 ÷x
【单选题】We bought the big house with the saving we had. for several years.
A.
put aside
B.
put off
C.
put down
D.
put in
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