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【单选题】
_____ it is a good thing I did not get the post I had applied for, though I must admit that I was disappointed at the time.A.
By the way
B.
In a way
C.
In the way
D.
In no way
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举一反三
【单选题】At a formal dinner, the fork should be placed __________.
A.
beside the plate when the course is served
B.
to the left of the butter knife.
C.
next to the soup spoon
D.
to the right of the butter knife
【单选题】At a formal dinner, the fork should be placed __________.
A.
to the left of the butter knife .
B.
n ext to the soup spoon
C.
beside the plate when the course is served
D.
to the right of the butter knife
【单选题】下列化合物进行S N 2反应速率由大到小的顺序为: 1 1-溴丁烷 2 2,2-二甲基-1-溴丁烷 3 2-甲基-1-溴丁烷 4 3-甲基-1-溴丁烷
A.
②>③>④>①
B.
④>①>②>③
C.
①>④>③>②
D.
④>②>①>③
【单选题】At a formal dinner, the fork should be placed __________.
A.
beside the plate when the course is served.
B.
to the right of the butter knife
C.
to the left of the butter knife.
D.
next to the soup spoon
【简答题】How should we use the fork and knife?
【单选题】How should the girl have her main course?
A.
With knife only.
B.
With fork only.
C.
With knife in the right hand and fork in the left hand.
D.
With knife in the left hand and fork in the right hand.
【简答题】试述电路的分类及功能。
【简答题】图甲是研究“物体动能的大小与哪些因素有关”的实验装置，实验中让同一钢球从同一斜面上不同的高度由静止滚下，打到同一个木块上。图乙是研究“牛顿第一定律”的实验装置，实验中让同一钢球从同一斜面上相同的高度由静止滚下，在粗糙程度不同的平面上运动。请回答以下问题： （1）设计甲实验的目的是____________________________________________________； 设计乙实验的...
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