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【简答题】
根据短文的意思和结构,选择方框中合适的词并用其恰当形式填空。(每词只用一次) conscious   fill  fireman   hunger  kitchen  lucky   sleep   spread  wait  while You won't believe what happened two days ago. It was a Wednesday evening and my roommate was out for the night. I was feeling a little 1 so I decided to make something to eat. I went down to the kitchen to fix myself some toast. I put two slices of bread into the toaster and decided to watch some TV while I 2 …I must have been very tired because I soon fell 3 . I woke up what seemed like seconds later, in my front yard, coughing and staring up at some 4 .They told me that my toaster had caught fire while I was asleep and the flames quickly 5 to the curtains on my kitchen window. In no time it seemed my whole 6 was on fire and smoke filled my entire house… My neighbour, 7 , saw the smoke and called the fire department. When they got to my home the fire had spread from the kitchen into the living room and the house was 8 with smoke. Two of the firemen broke down my front door with an axe 9 the others were putting out the fire with water. They found me lying 10 on my sofa. If they had come only 5 minutes later I don't think I would be here today talking about it.
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【多选题】科研不端是一个老问题,也是一个全球性的问题。近几年来,韩国首尔大学教授黄禹锡干细胞造假、日本东京大学教授多比良基因研究造假等一系列造假事件纷纷。当前。我国正处于剧烈的经济社会转变之中,科研不端之势也呈上升之势。中国科协进行的一项调查表明,近三成科技工作者认为其周围存在严重的学术不端行为,其中尤以抄袭和剽窃他人成果、伪造数据或弄虚作假、技术成果交易中夸大技术价值或隐瞒技术风险三种行为最为普遍。像“汉...
A.
努力钻研专业知识
B.
勇于创新、坚忍不拔
C.
要有端正的学术态度
D.
实事求是、一丝不苟
【简答题】The author compares our memory first to 'file cabinets' (Paragraph 5) and then to an 'ever-green tree' (the last paragraph). This special comparison is known as
【简答题】One of the most common types of core – spun yarns is that involving a core of ( ) such as spandex with a covering of ( ) .
【简答题】简述补体的功能。
【单选题】Which of the following statements is true regarding hoods/cabinets?
A.
Laminar flow hoods, chemical fume hoods and biological safety cabinets (BSC) can be used interchangeably
B.
A laminar flow hood maintains inward airflow and may be used for work with infectious materials
C.
Chemical fume hoods are HEPA filtered
D.
Biological safety cabinets use HEPA filters and directional airflow to protect both the worker and materials being used
E.
All of the above
【单选题】Quality matters the most when you are choosing kitchen cabinets.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】‘et’ 在cabinets 中如何发音? 公司 cabinets
A.
[ɛ̃]
B.
[ɛ]
C.
[e]
【判断题】Ring – spun yarns are more even than Selfil yarns
A.
正确
B.
错误
【判断题】Core – spun yarns involves a core of a stretch filament such as spandex with a covering of staple fibers.
A.
正确
B.
错误
【单选题】解决共射极放大器截止失真的方法
A.
增大Rb
B.
增大Rc
C.
减小Rb
D.
减小Rc
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