打眼应与()节理方向成一定夹角,尽量避免沿岩层节理方向钻眼。
参考答案:岩石层带
根据对话内容,从方框中选择5个恰当的句子完成对话,并将所选句子前的字母代号写在答题卡上的相应题号后.
A:We have to meet the others at 8:30 at the reserve(自然保护区),don’t we?
B: 1
A:Do you know how to get there?
B:2 It will take us about two hours to get there by bus.
A:3
B:It’s an area that protects lots of different animals.
A:4
B: I’m not really sure.I know there are many different kinds of birds there and I’m going to take my camera with me.
A:5 What clothes are you going to wear?
B:Well,if it’s wet,I will wear my strong shoes and take my raincoat with me.
A:So will I.
— Do you think the article is difficult?
— I think so. It took me a long time to _____ the new words in the dictionary. [ ]
A. look at
B. look out
C. look for
D. look up