Question

4个英语选择题，急求详细解答！

6.The plate glass must be capable of ____ very high temperature .
A sustaining B maintaining C retaining D obtaining
7.In the 18th century you had to keep on sharpening the point of your feather pen and _____ it in a jar of ink when you are writing .
A dripping B slipping C tapping D dipping
8.They tried to _____ him from drinking too much .
A limit B restrain C guarantee D restrict
9.It was not until one hundred thousand years after the big bang that photons were ____ from matter.
A set apart B set off C set free D set out

Answer 1

6.A
A.sustain 承受 B.maintain 保持 C.retain 保留，保持 D.obtain 获得，得到 本题意为：这个玻璃盘一定能够承受很高的温度。
7.D
A.drip 滴,滴下 B.slip 滑(倒)，溜走 C.tap 轻拍,轻叩,轻敲 D.浸;泡(+in,into) 本句意为：在18世纪，你不得不经常削尖羽毛笔，并且当你写作的时候要不时的沾墨水。
8.B
A.limit 限制，限定（+to）B.restrain 控制,限制;约束,阻止(+from)
C.guarantee 保证;担保（+to-v）或+(that) D.restrict 限制;限定;约束(+to/within) 本句意为：他们努力去阻止他喝太多的酒。
9.C
A.拨出 B.出发，动身 C.释放... D.开始
本句意为：直到10万年前宇宙大爆炸之后，光子才从物质中释放出来。

Answer 2

c d d d 仅供参考