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【单选题】
氧化反应操作过程中应注意:严格控制原料配比、反应温度和反应压力,采取()保护措施,设置防爆装置、警报联锁装置以及紧急停车装置。A.
环境
B.
惰性气体
C.
可燃气体
手机使用
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反馈参考答案：
举一反三
【单选题】How has the author been influenced by his own experience with the disease?
A.
It has taught him the power of listening.
B.
He has learned the power of listening personally.
C.
He has been reminded of the power of listening.
D.
It has enabled him to study the power of listening.
【单选题】______is NOT inferred from the passage?
A.
The author has few supporters.
B.
The author was somewhat surprised at what the man said.
C.
The author is delighted to help others in trouble.
D.
The author may agree to solve social problems in soft ways.
【单选题】道地药材是源于古代的一项辨别优质中药材质量的独具特色的综合标准，通常认为：道地药材就是指在一特定自然条件和生态环境的区域内所产的药材，并且生产较为集中，具有一定的栽培技术和采收加工方法，质优效佳，为中医临床所公认。不属于广药的主产地的是（）
A.
广东
B.
台湾
C.
广西
D.
福建
E.
海南
【单选题】Alex has been in China for quite a few years. ________， he speaks fluent Chinese.
A.
Especially
B.
Frequently
C.
Surprisingly
D.
Consequently
【简答题】泥的选择要具备两个条件,一是(),二是()
【单选题】Which of the following doesn't the author's computer do?
A.
It asks the author if she has made a mistake.
B.
It accuses the author of making mistakes.
C.
It corrects the author's spelling mistakes.
D.
It informs the author of her mistakes.
【简答题】No one has _____ been able to trace the author of the poem. A. still B. yet C. already D. just
【单选题】What does the author think about the computers with emotions?
A.
The author has high expectation for its potential in the future.
B.
The author worries that it will threaten the security of human beings.
C.
The author doubts its capacity to interact with human beings.
D.
The author believes that it will take the place of human beings in many aspects.
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