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【单选题】
关于合力与其两个分力的关系，下列说法正确的是（）A.
将一个已知力分解，如两个分力大小确定则分解是唯一的
B.
一个力可以分解为任意大小的两个分力
C.
两个分力的大小之和就是合力的大小
D.
合力的作用效果与两个分力共同作用的效果相同
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【简答题】摘果式拣货作业的英文缩写是____。
【单选题】I decided to go to the library as soon as I ______.
A.
finished what I was doing
B.
finished what I did
C.
would finish what I was doing
D.
finish what I did
【单选题】I decided to pay a visit to my former teacher as soon as I ____.
A.
finish what I did
B.
finished what I did
C.
would finish what I was doing
D.
finished what I was doing
【单选题】What is Goodall doing now? ________
A.
Studying animal behavior at Cambridge University.
B.
Raising funds for the preservation of wildlife.
C.
Observing chimpanzees in African jungles.
D.
Working hard supervising postgraduate students.
【简答题】什么是 淀粉糊化 ,结合淀粉糊化简要说明为什么 新米比陈米更易煮烂 。
【单选题】Both what I say and _____ are right .
A.
my thoughts
B.
what I think
C.
what I thought
D.
my thinking
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