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【简答题】
介副词: 1. Getting access to capital has become even harder since Sept. 11 as investors clamp ( ) on new money. 2. Most companies are just hunkering down,crossing their fingers( )the end of the Middle East crisis. 3. Fish and chips is one ( ) the most common English dishes. 4. We tend to assign esteem,identity and status ( ) physical things and fashion is an easy way to do this. 5. Apart from the source of energy,a nuclear energy plant is ( ) essence no different from any fossil fuel power plant. 6. When organic food became popular,certain stores were quick to jump ( ) the bandwagon and promote it. 7. Don't let the noise of others' opinions drown ( ) your own inner voice. 8. When the factory closed down,the workers all found themselves ( ) the same boat. 9. Her parents and brother left for America, while his relatives relocated ( ) America. 10. John has never been able to find a job and has lived ( ) his parents all his life.
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【判断题】剩余性质是指计算时不能除尽的剩余的小数
A.
正确
B.
错误
【单选题】冷链包装材料的要求不包括
A.
耐温性
B.
耐光性
C.
密封性
D.
耐水性
【判断题】干法脱硫一般串在湿法脱硫之后,作为精脱硫,主要脱除原料气中的有机硫。
A.
正确
B.
错误
【判断题】理论上原子光谱产生的是线状光谱
A.
正确
B.
错误
【简答题】理论上原子光谱产生的是 状光谱
【简答题】按要求完成综合练习。请你将试验按以下文件命名提交。 编号姓名综合练习01.jpg 编号姓名综合练习02.jpg 编号姓名综合练习03.jpg
【单选题】用74290实现63进制计数器,采用清零法实现, S 91 S 92 接00,则反馈函数 R 01 R 02 的接法为( )
A.
R 01 R 02 =Q 6 Q 4 Q 1 Q 0
B.
R 01 R 02 = ( Q 5 Q 4 Q 1 Q 0 1 )’
C.
R 01 R 02 = ( Q 5 Q 4 Q 1 )’
D.
R 01 R 02 = Q 6 Q 5 Q 1 Q 0
【单选题】用74290实现33进制计数器,采用清零法实现, S 91 S 92 接00,则反馈函数 R 01 R 02 的接法为( )
A.
R 01 R 02 =Q 5 Q 4 Q 1 Q 0
B.
R 01 R 02 = ( Q 5 Q 4 Q 1 Q 0 1 )’
C.
R 01 R 02 = ( Q 5 Q 4 Q 1 )’
D.
R 01 R 02 = Q 5 Q 4 Q 1
【判断题】书信由笺文和封文两部分构成。封文可写“XXX妈妈亲启”、“XX叔叔收”等。
A.
正确
B.
错误
【多选题】干法脱硫一般用在硫含量 ( ) ,净化度要求较( ) 的场合。一般串在湿法脱硫之后,作为( ) 脱硫,主要脱除原料气中的有机硫。
A.
B.
C.
D.
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