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Bob’s father is ill in bed. His mother does all the housework goes to buy medicine (药) for him. She is very . Now Bob’s mother is the house. She needs some water. She Bob to get some for . At the moment, Bob is a book in his bedroom. “Bob!” his mother finally comes to him and says, “ don’t  you answer me?” Then she sees there’s some cotton (棉花) Bob’s right ear. She it out and asks, “Why are you doing that?” “You often me that your words go in my left ear and out of my right one. So I want to stop it.” 小题1: A.and B.so C.but D.or 小题2: A.young B.busy C.well D.happy 小题3: A.cleaning B.painting C.buying D.making 小题4: A.looks B.teaches C.asks D.answers 小题5: A.them B.us C.him D.her 小题6: A.looking B.seeing C.watching D.reading 小题7: A.What B.When C.Why D.How 小题8: A.on B.to C.in D.at 小题9: A.gives B.takes C.puts D.sees 小题10: A.tell B.say C.speak D.talk
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【单选题】He was ______first person who climb______Qomolangma.
A.
a: the
B.
the: /
C.
a: /
D.
the: the
【多选题】高压耗尽射频等离子体增强化学气相沉积(HPD+RF-PECVD)法的优点有()。
A.
防止高能粒子对薄膜表面的破坏;
B.
可使硅烷耗尽,抑制硅烷对原子氢的消耗,故能够提供足够高密度的原子态氢,从而大大降低薄膜缺陷态密度。
C.
需要高的激发功率
D.
所制备的薄膜中出现许多微空洞
【判断题】PECVD定义PlasmaEnhanced Chemical Vapor Deposition即“等离子体增强化学气相沉积”,是一种化学气相沉积。
A.
正确
B.
错误
【判断题】PECVD 的中文名称是等离子体增强化学气相沉积技术。
A.
正确
B.
错误
【判断题】PECVD即“等离子增强型化学气相沉积”。
A.
正确
B.
错误
【单选题】_____ Mount Qomolangma, which is located in _____ Himalayas, is the world’s highest peak. [     ]
A.
The; the
B.
The; 不填
C.
不填; 不填
D.
不填; the
【单选题】By nine o'clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ____ appeared a rare rainbow soon. [     ]
A.
of which
B.
on which
C.
from which
D.
above which
【单选题】1979年,( )人采用等离子体增强化学气相沉积技术,通过加入氢气制备出了掺杂微晶硅,人们开始逐步开展微晶硅材料及其在太阳能电池中的应用研究。
A.
美国
B.
德国
C.
日本
D.
法国
【简答题】什么是等离子体?简述等离子增强型化学气相沉积镀减反射膜的主要工艺原理。
【单选题】One of the first foreign expeditions _______ Mount Qomolangma arrived in Tibet in 1921.
A.
climbing
B.
climbed
C.
had climbed
D.
to climb
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