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【单选题】
化合物 的正确命名是A.
2 - 甲基咪唑
B.
4 - 甲基咪唑
C.
4 - 甲基吡唑
D.
3 - 甲基吡唑
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举一反三
【简答题】投保单也称为( ),它是投保人向保险人表示要求进行保险意思的书面文件。
【单选题】We all went out _____ the lost boy, but after we had _____ everywhere, we didn't find him. [ ]
A.
searching for; searching
B.
searching; searched
C.
in search of; searched
D.
in search for; searching
【单选题】What type of words is the suffix “-en” generally added to?
A.
Adjectives.
B.
Nouns.
C.
Verbs.
D.
Both A and B.
【单选题】---.We didn’t find the Blacks during the lecture. --- No one had told them about _____ a lecture.
A.
there to be
B.
there being
C.
there be
D.
there was
【简答题】植物生长物质是调节植物生长发育微量的化学物质。它可分为两类: 和植物 。
【单选题】What type of words is the suffix “-en” generally added to?
A.
Adjectives.
B.
Nouns.
C.
Verbs.
D.
Both “ Adjectives ” and “ Nouns ”.
【单选题】Which type of energy can NOT change to other types in humanbody?
A.
kinetic energy
B.
static energy
C.
electric energy
D.
heat energy
E.
mechanical energy
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