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【简答题】
化合物分为无机化合物和有机化合物。含碳元素的化合物(一氧化碳、二氧化碳、碳酸及碳酸盐等除外)是________化合物
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举一反三
【单选题】What's the concern about using urban expressways in Tokyo?
A.
Not traveling fast.
B.
Road is quite narrow.
C.
Expensive.
【单选题】My uncle drives much _____ than my mother .
A.
better
B.
m ore better
C.
best
D.
the best
【简答题】数一数下图中各有几个角。
【单选题】What's the concern about using ubran expressways in Tokyo?
A.
Not traveling fast.
B.
Road is quite narrow.
C.
Expensive.
【单选题】听力原文：W: I have been thinking about my uncle a lot these days. M: Why not go over for a visit? What does the man mean?
A.
The woman's uncle will come for a visit.
B.
He thinks the woman should visit her uncle.
C.
He asks the woman to go over to his place.
【单选题】2-181为放置机械振动和颤振,机械系统具有适当的阻尼是必要的。根据经验,适当的阻尼比应满足不等式( )。
A.
0.01≤ξ≤0.02
B.
0.02≤ξ≤0.03
C.
0.1≤ξ≤0.2
D.
0.2≤ξ≤0.3
【单选题】听力原文：M：I hope I can rely on my uncle to lend me some money when I am short of it W：As far as I know，he turns his back on anyone who asks for money. Q：What does the woman mean? (18)
A.
The man can ask her for help.
B.
Everyone can help the man.
C.
The man's uncle won't help him at all.
D.
The-man can certainly count on his uncle.
【简答题】数一数下图中各有几个角。 （ ）个 （ ）个
【单选题】听力原文：W: I have been thinking about my uncle a lot these days. M: Why not go over for a visit? What does the man mean?
A.
He thinks the woman should visit her uncle.
B.
The woman's uncle will come for a visit.
C.
He will visit her uncle with her.
D.
He asks the woman to go over to his place.
【简答题】数一数下图中各有几个角。 （ ）个 （ ）个 （ ）个
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