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【单选题】
某井田,煤层埋藏较浅、表土层不厚、水文地质情况简单、无层、井筒不需要特殊施工的缓斜和中倾斜煤层,井筒形式应采用()。A.
立井
B.
斜井
C.
平硐
D.
综合开拓形式
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举一反三
【单选题】Better go and ask him when he _____ . We must see him off when he _____. [ ]
A.
is leaving; leaves
B.
leaves; is leaving
C.
leaves; left
D.
left; was leaving
【简答题】中心受压砌体中的砖处于()的复杂应力状态下。 I.受压II.受弯III.受剪IV.局部受压V.横向受拉A. Ⅰ、Ⅱ B. Ⅰ、Ⅱ、Ⅲ C. Ⅰ、Ⅱ、Ⅲ、Ⅳ D. Ⅱ、Ⅲ、Ⅳ、Ⅴ
【简答题】中心受压砌体中的砖处于( )的复杂应力状态下。I.整体受压II.受弯III.受剪IV.局部受压V.横向受拉
【单选题】--- Could you tell me __________? --- Certainly. In half an hour.
A.
when will the train to Beijing leave
B.
when the train to Beijing would leave
C.
when the train to Beijing left
D.
when the train to Beijing will leave
【单选题】中心受压砌体中的砖处于 ( ) 的复杂应力状态下。 I. 受压 II. 受弯 III. 受剪 IV. 横向受拉
A.
Ⅰ.Ⅱ
B.
Ⅰ.Ⅱ.Ⅲ
C.
Ⅰ.Ⅱ.Ⅲ.Ⅳ
D.
Ⅱ.Ⅲ.Ⅳ
【单选题】________ is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.
A.
Which
B.
What
C.
As
D.
That
【简答题】新建文件table.htm,实现如下效果: 请上传文件或复制源代码。
【单选题】I used to earn_______than a pound a week when I
A.
6. I used to earn_______than a pound a week when Ifirst started work.( 全国 2) A.alittle
B.
afew
C.
fewer
D.
less
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