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【多选题】
下列关于电力起爆的说法正确的是（）。A.
用于同一爆破网路内的电雷管，电阻值应相同
B.
供给每个电雷管的实际电流应小于准爆电流
C.
装炮前工作面一切电源应切除，照明至少设于距工作面30m以外
D.
严禁采用电爆网路
E.
网路中的支线、区域线和母线彼此连接之前各自的两端应短路、绝缘
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举一反三
【单选题】—Why do you suggest the West Lake? —I believe __beauty of nature there will make __excellent impression upon you.
A.
the; the
B.
the; /
C.
a; an
D.
the; an
【简答题】It is important that you make a good impression at work. If you make a good impression on your boss, he or she is more likely to give you more responsibilities which can lead to promotions (晋级) and ra...
【单选题】To get promoted, one must not only be competent but ______.
A.
give his boss a good impression
B.
honest and loyal to his company
C.
get along well with his colleagues
D.
avoid being too outstanding
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