32. What do we know about the solar still equipment from the first paragraph?
A. It’s delicate.
B. It’s expensive.
C. It’s complex.
D. It’s portable.
33. What does the underlined phrase “the water catcher” in paragraph 2 refer to?
A. The tube.
B. The still.
C. The hole.
D. The cup.
34. What’s the last step of constructing a working solar still?
A. Dig a hole of a certain size.
B. Put the cup in place.
C. Weight the sheet’s center down.
D. Cover the hole with the plastic sheet.
35. When a solar still works, drops of water come into the cup form
.
A. the plastic tube
B. outside the hole
C. the open air
D. beneath the sheet
【答案】
【文章大意】本文主要介绍了一种自己可以亲手制作的简单易行的太阳能蒸馏器的方法并介绍了它的工作原理。这种蒸馏器所需的材料简单,适用于任何缺水的地方。
34.C 细节题。根据第三段Next, cover the hole with the plastic sheet, securing the edges of the plastic with dirt and weighting the sheet’s center down with a rock.可知最后一步是weighting the sheet’s center down with a rock结合
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