I am always eager to do experiments, especially chemistry ones. It's
_26_ to work with test tubes and beakers(烧杯) , even though sometimes my efforts end in__
27___. Experiments were fun for me
__28 a recent accident.
The
29 happened when I was heating a big test tube with an alcohol burner(酒精灯) , chatting to my partner while waiting for__
30____ changes. All of a sudden, the tube cracked. Even though I jumped from my seat when I heard the crack, the hair on my forehead was __
31____ as I was leaning too close to the test tube.
__32___ I had no time to be sad about my hair: the liquid in the test tube poured onto the table and caught fire. I'd never
33 _ anything so bad! My___
34___went blank (空白)for a moment. Then I quickly covered the fire with a damp cloth to__
35____.
The teacher told me that the test tube broke in half at the bottom because we didn't dry it properly before __
36___ it.
We calmed down and did the experiment, again. But our hearts were still __
37____ rapidly even after we walked out of the lab.
But my bad __
38___ didn't end there! Since all _
_39 was focused on the flames while we were in the lab, I didn't see the liquid falling onto my trousers.
During the following class, I felt a __
40___ in my leg. Soon it became more and more painful and I touched the area with my fingers,
_41_ to make things better. But to my great
42___ , the material of my trousers turned into powder! “Vitrio(硫酸)! ! !”The terrible word came into my mind. I rushed out right away to wash and examine my poor skin.
_43_ , it was not a serious injury.
After changing my __
44____I sat down and told myself: danger is no joke! It's very important to have a serious___
45___ in chemistry class. Doing scientific experiments as a learner is no laughing matter.
小题1: | A.exciting | B.moving | C.dangerous | D.difficult |
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小题2: | A.success | B.failure | C.loss | D.waste |
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小题3: | A.but | B.except | C.besides | D.until |
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小题4: | A.incident | B.change | C.disaster | D.accident |
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小题5: | A.physical | B.chemical | C.biological | D.historical |
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小题6: | A.broken | B.burnt | C.blown | D.pulled |
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小题8: | A.felt | B.heard | C.experienced | D.imagined |
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小题9: | A.head | B.stomach | C.ear | D.mind |
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小题10: | A.leave it out | B.let it out | C.give it out | D.put it out |
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小题11: | A.boiling | B.holding | C.heating | D.cooking |
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小题12: | A.striking | B.beating | C.knocking | D.hitting |
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小题13: | A.feeling | B.time | C.chance | D.luck |
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小题14: | A.effort | B.sense | C.attention | D.spirit |
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小题15: | A.push | B.pain | C.bite | D.touch |
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小题16: | A.failing | B.managing | C.trying | D.planning |
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小题17: | A.disappointment | B.joy | C.surprise | D.comfort |
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小题18: | A.Fortunately | B.Obviously | C.Unexpectedly | D.Generally |
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小题19: | A.coats | B.shirts | C.socks | D.trousers |
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小题20: | A.heart | B.attitude | C.thought | D.preparation |
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