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由 组成的高分子称为共聚物。只有 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> 聚合而成的叫做均聚物 (两种或两种以上单体单元、一种单体)
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举一反三
【单选题】He insisted the person referred ______ put into prison at once.
A.
is
B.
be
C.
to be
D.
should be
【单选题】以下握手的要领中,错误的是()
A.
握手时应低头弯腰
B.
握手时应上身稍微前倾
C.
不要将左手插在裤袋里
D.
不要边握手边拍人家肩膀
【判断题】小麦需水临界期在起身拔节期。
A.
正确
B.
错误
【单选题】以下握手要领中,错误的是()
A.
我手是应低头弯腰
B.
握手时应上身稍微前倾
C.
不要将左手插在裤袋里
D.
不要边握手边拍人家肩头
【判断题】小麦需水临界期在拔节期。
A.
正确
B.
错误
【单选题】Anthony loaned $2,000 to Cleopatra for one year at 10% interest, all due at maturity. He insisted the terms of the transaction be formalized in a promissory note. In this situation:
A.
The maturity value of the note is $2,000.
B.
Cleopatra is considered the maker of the note and records the note as a liability in her accounting records.
C.
Anthony is considered the maker of the note and records the note as an asset in his accounting records.
D.
Anthony is considered the maker of the note and records the note as a liability in his accounting records.
【单选题】He insisted that he was not ill, but the doctor insisted that he should take the medicine.
A.
was not; took
B.
be not; should take
C.
were not; should take
D.
was not; should take
【判断题】小麦需水临界期在拔节期。
A.
正确
B.
错误
【单选题】小麦需水临界期在( )
A.
拔节期
B.
孕穗至抽穗期
C.
灌浆期
D.
成熟期
【单选题】冬小麦需水临界期在( )期.
A.
拔节~孕穗
B.
孕穗~抽穗
C.
抽穗~灌浆
D.
灌浆~成熟
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