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【多选题】
无底柱分段崩落法是在覆盖岩层下放矿,那么覆盖岩层的作用是( )。
A.
形成挤压爆破的条件
B.
可以改善矿石回收指标
C.
可以支撑上下盘围岩
D.
可以形成安全缓冲垫层
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参考答案:
举一反三
【单选题】I suggested that there ____ be a kind of language all could understand and use.
A.
can
B.
/
C.
would
D.
may
【单选题】线性标注可以测量什么样的线( )
A.
弧线
B.
直线
C.
斜线
D.
以上都可以
【单选题】线性标注可以测量什么样的线?
A.
弧线
B.
直线
C.
斜线
D.
以上都不可以测量
【简答题】Listen to the short passage and fill in the blanks with what you have heard. Mr Williams invited me to a dinner party last Before the party, I [1]....................what I should bring to him. I woul...
【简答题】Listen to the short passage and fill in the blanks with what you have heard. Mr Williams invited me to a dinner party last Before the party, I [1]....................what I should bring to him. I woul...
【单选题】初产妇年龄超过( )周岁的,医师应当对其进行产前诊断。
A.
28周岁
B.
30周岁
C.
35周岁
D.
40周岁
【单选题】初产妇年龄超过多少周岁的,医师应当对其进行产前诊断?()
A.
20
B.
25
C.
30
D.
35
【多选题】孕妇有下列情形之一的,医师应当对其进行产前诊断:( )
A.
羊水过多或者过少的
B.
胎儿发育异常或者胎儿有可疑畸形的
C.
孕早期接触过可能导致胎儿先天缺陷的物质的
D.
有遗传病家族史或者曾经分娩过先天性严重缺陷婴儿的
E.
初产妇年龄超过35周岁的
【单选题】I suggested that they stay at bed and breakfast houses because______.
A.
they would be able to practise their English
B.
it would be much cheaper than staying in hotels
C.
it would be convenient for them to have dinner
D.
there would be no problem about finding accommodation there
【简答题】Paraphrase the following sentences with your own words 1."There," I said, " that's what makes your watch run . 2." Roy sure is smart," he said . 3.Meet your child at his own level. 4." I will bet the ...
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