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【单选题】
听力原文：W: Do I need to put more stamps on this letter? It has to go to Los Angeles. M: No, if it's sent by ordinary mail. Express mail is faster, but more expensive. W: Well, I'd like it to go as soon as possible. How much more would express mail be? M: That'll be $4.75, ma'am. I'll just get you the extra stamps, if you'd like. What does the woman want to know?A.
Whether she has any letters.
B.
If she has used enough postage.
C.
How soon a parcel will be delivered.
D.
Where to find a mail box.
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举一反三
【多选题】How can we express "不同类型的" in English?
A.
all sorts of
B.
different kinds of
C.
various types
D.
huge piles of
E.
a large variety of
【简答题】3-9、按照总线的功能和传输数据的种类可以分为3类:数据总线、_____________、和控制总线。
【单选题】How can we express "开怀大笑" in English?
A.
laugh a hearty laugh
B.
smile
C.
laugh wildly
D.
smirk
【单选题】关于下列结论:1)同一截面上正应力 s 与切应力 t 必相互垂直。2)同一截面上各点的正应力 s 必定大小相等,方向相同。3)同一截面上各点的切应力 t 必相互平行。现有四种答案,正确答案是 。
A.
1、2对
B.
2、3对
C.
1、3对
D.
1对
【简答题】一般来说，煤层埋藏越深，煤层瓦斯含量( )。 A.越大 B.越小 C.与煤层埋藏深度无关
【简答题】电动汽车常见危险有哪些?
相关题目：
【单选题】How can we express "开怀大笑" in English?
A.
laugh a hearty laugh
B.
smile
C.
laugh wildly
D.
smirk
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