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爆破设计施工、安全评估与安全监理应由具备相应资质和从业范围的爆破作业单位承担。()

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光面爆破是沿开挖边界布置密集炮孔,采取不耦合装药或装填低威力炸药,在主爆区之后起爆,以形成平整的轮廓面的爆破作业。()

浅孔爆破是指炮孔直径小于或等于70mm,深度小于或等于 5m 的爆破作业。()

具有爆破专业知识和实践经验,即可从事爆破施工。()

Study the following set of cartoons carefully and write an essay in which you should
(1) describe the cartoons,
(2) interpret its meaning, and
(3) point out its implications in our life.
You should write 160 -200 words on ANSWER SHEET 2.

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