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【单选题】
甲缓慢地将弹簧从拉长了 L ,之后,缓慢地将弹簧继续拉长了 L ,则两者作功:A.
甲做功多
B.
乙做功多
C.
做功一样
D.
无法比较
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【简答题】阅读理解。 The new term has started, No. 9 High School made a survey about the students' after-class activitis. Teachers asked 200 students what they usually did after school. Most of them said they did s...
【单选题】1 It might understand more than you think． A dog named Rico recognizes the names of about 200 objects，say researchers in Germany． 2 Its word-1earning skills are as good as those of a parrot or chimpan...
A.
The owner then told Rico to fetch the object，using a word the dog had never heard before．
B.
Do dogs more understand us than some friends?
C.
It’s hard to know if all dogs understand at least some of the words we say．
D.
Be careful of what you say around your dog．
E.
The dog also appears to be able to learn new words．
F.
Then the owner told the dog to go and fetch one of the items．
G.
Rico is thought to be smarter tha n the average dog．
【简答题】E 71 It might understand more than you think． A dog named Rico recognizes the names of about 200 objects, say researchers in Germany． 72 Its word-learning skills are as good as those of a parro...
【简答题】Do dogs understand us? Be careful what you say around your dog. It might understand more than you think. A border collie named Rico recognizes the names of about 200 objects, say researchers in German...
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【简答题】胸膜下界,在锁骨中线平__;腋中线平__;肩胛下线平__。
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