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【多选题】
设计干燥器时，为求得空气用量，通常要使用如下各项中的哪几项（）
A.
新鲜空气的湿度；
B.
废气的湿度；
C.
空气的预热温度
D.
原料质量和含水率、干燥产品的含水率。
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参考答案：
举一反三
【判断题】在抗日战争初期,担负着抗击日军战略进攻主要任务的是以为主体的正面战场。( )
A.
正确
B.
错误
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【单选题】The reason why these men committed suicide is that ______.
A.
they felt they dishonored the family name
B.
they couldn't find gainful employment because of their age after losing their job
C.
they were afraid of being old
D.
Both A and B.
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【单选题】Olive oil prepared in a small Italian oil press factory and sold by large supermarkets in the United States is an example of a ________.
A.
net national product
B.
U.S. export
C.
U.S. import
D.
gross domestic product
查看完整题目与答案
【单选题】He felt it strange ______ she would be late for class.
A.
that
B.
which
C.
when
D.
why
查看完整题目与答案
【单选题】Why did the professor study the Brazilian students' behavior?
A.
He felt puzzled at the students' being late.
B.
He felt angry at the students' rudeness.
C.
He wanted to make the students come on time later.
D.
He wanted to collect data for one of his studies.
查看完整题目与答案
【单选题】Passage 3All kinds of pollution as well as the depletion of natural resources (such as fuels, forests, and soil) by carelessly wasteful use, have worried scientists and other thoughtful people. Such p...
A.
Scientists are worried about the depletion of natural resources.
B.
Farmers use chemical fertilizers to destroy insects and weeds.
C.
There haven't been attempts to alert the public to control pollution.
D.
The yearly celebration of Earth Day raised people’s awareness of pollution problem.
查看完整题目与答案
【单选题】A man-made chemical that attracts male gypsy moths by duplicating the natural attractant of female gypsy moths has been patented as No. 3,018,219. Dr. Martin Jacobson of Silver Spring, Md., assigned p...
A.
only the male moth
B.
only the female moth
C.
a substitute female attractant
D.
caterpillars
查看完整题目与答案
【单选题】Jerry did not regret giving the comment but felt ______ he could have expressed it differently.
A.
why
B.
how
C.
that
D.
whether
查看完整题目与答案
【单选题】It is helpful to illustrate these points by looking at the case of the United States, precisely because 3.__________. Coal, copper, iron, silver, and nickel are just a few of the natural resources the...
A.
countries need to - or choose to import at least some goods and services
B.
different countries have comparative advantages on different products
C.
exports are also more than just an outlet for “ excess ” production
D.
it has the capability of producing the goods or supplying the services
E.
it comes closer to being self-sufficient than most other countries
F.
sell goods or services to other countries at prices higher than the prices
查看完整题目与答案
【单选题】下面能使胎面的花纹凸块及条形花纹的边缘出现羽状磨损的是
A.
外倾角过小
B.
胎压过低
C.
轮胎换位不合理
D.
前束不足
查看完整题目与答案
相关题目：
【判断题】在抗日战争初期,担负着抗击日军战略进攻主要任务的是以为主体的正面战场。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The reason why these men committed suicide is that ______.
A.
they felt they dishonored the family name
B.
they couldn't find gainful employment because of their age after losing their job
C.
they were afraid of being old
D.
Both A and B.
查看完整题目与答案
【单选题】Olive oil prepared in a small Italian oil press factory and sold by large supermarkets in the United States is an example of a ________.
A.
net national product
B.
U.S. export
C.
U.S. import
D.
gross domestic product
查看完整题目与答案
【单选题】He felt it strange ______ she would be late for class.
A.
that
B.
which
C.
when
D.
why
查看完整题目与答案
【单选题】Why did the professor study the Brazilian students' behavior?
A.
He felt puzzled at the students' being late.
B.
He felt angry at the students' rudeness.
C.
He wanted to make the students come on time later.
D.
He wanted to collect data for one of his studies.
查看完整题目与答案
【单选题】Passage 3All kinds of pollution as well as the depletion of natural resources (such as fuels, forests, and soil) by carelessly wasteful use, have worried scientists and other thoughtful people. Such p...
A.
Scientists are worried about the depletion of natural resources.
B.
Farmers use chemical fertilizers to destroy insects and weeds.
C.
There haven't been attempts to alert the public to control pollution.
D.
The yearly celebration of Earth Day raised people’s awareness of pollution problem.
查看完整题目与答案
【单选题】A man-made chemical that attracts male gypsy moths by duplicating the natural attractant of female gypsy moths has been patented as No. 3,018,219. Dr. Martin Jacobson of Silver Spring, Md., assigned p...
A.
only the male moth
B.
only the female moth
C.
a substitute female attractant
D.
caterpillars
查看完整题目与答案
【单选题】Jerry did not regret giving the comment but felt ______ he could have expressed it differently.
A.
why
B.
how
C.
that
D.
whether
查看完整题目与答案
【单选题】It is helpful to illustrate these points by looking at the case of the United States, precisely because 3.__________. Coal, copper, iron, silver, and nickel are just a few of the natural resources the...
A.
countries need to - or choose to import at least some goods and services
B.
different countries have comparative advantages on different products
C.
exports are also more than just an outlet for “ excess ” production
D.
it has the capability of producing the goods or supplying the services
E.
it comes closer to being self-sufficient than most other countries
F.
sell goods or services to other countries at prices higher than the prices
查看完整题目与答案
【单选题】下面能使胎面的花纹凸块及条形花纹的边缘出现羽状磨损的是
A.
外倾角过小
B.
胎压过低
C.
轮胎换位不合理
D.
前束不足
查看完整题目与答案
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