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【简答题】
地下室外墙集中标注中OS代表（），IS代表（）。其中水平贯通筋以H打头注写，竖向贯通筋以V打头注写。以td打头注写拉筋直径、强度等级及间距，并注明“双向”或“梅花双向”
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【简答题】A．They need to go abroad to learn a foreign language. B．They learn a foreign language mainly to read books and reports in it. C．They'd better learn a foreign language slowly. D．Machines can be of grea...
【单选题】等比数列{a n }中，a 3 =6，前三项和S 3 =∫ 0 3 4xdx则公比q的值为（ ）
A.
1
B.
- 1 2
C.
1或- 1 2
D.
-1或- 1 2
【简答题】xdx=(a)d( ),则a=( ),b=( );(如果答案是分数请用小数表示)
【简答题】How do people learn body language? The same way they learn spoken language-by observing and imitating people around them as they' re growing up. (6)________. Little boys imitate their fathers or a res...
【单选题】How do successful language learners learn language? [ ]
A.
They learn independently, actively, and purposefully.
B.
They learn special techniques from their teachers.
C.
They learn the rules and patterns of the language from books.
D.
They learn to think about the meaning of every new word.
【单选题】The best way to learn a foreign language is to go to the country and learn it from ____ speakers. [ ]
A.
mother
B.
excellent
C.
real
D.
native
【单选题】设a= 4 π ∫ π 2 - π 2 cos 2 xdx，则（a x - 1 x ） 6 展开式中含x 2 项的系数是（ ）
A.
-192
B.
-190
C.
192
D.
190
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