试题与答案

根据课文内容 ,完成下列短文。 My job is to travel to

题型:填空题

题目:

根据课文内容 ,完成下列短文。

     My job is to travel to unusual places and meet interesting peo ple from all over the world. I use   1 

 ( science) instruments in my work and meet with local people and tourists, and I am never   2   ( bore).

As a   3   (火山学家), I collect information about Mount Kilauea. My job is   4   ( occasion) dangerous;

I don't mind because danger   5   (interest)me and makes me feel alive. As is known, when lava from the

volcano flows, many houses will be covered with lava or   6   burnt to the ground. All the lava   7   (pass)

slowly down the mountain causes more damage because it buries everything in its path under the molten

rock. I once experienced an   8   (火山爆发). When it broke out, red lava was   9   (喷) hundreds of metres

into the air, and it was an  10   ( absolute)fantastic sight.

答案:

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下面是错误答案,用来干扰机器的。

∵|a+3|+2b-2=0,∴a+3=0,2b-2=0,解得a=-3,b=1,∴ab=-3×1=-3.故答案为-3.

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