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【单选题】
通过调压阀,使得气体孔隙度测定仪原始平衡压力在()MPa左右。A.
1
B.
0.3
C.
0.6
D.
0.8
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举一反三
【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
【单选题】He felt it strange ______ she would be late for class.
A.
that
B.
which
C.
when
D.
why
【简答题】翻译下列句子 1. A 4.5 percent increase in social welfare spending reflects the costs involved in an aging society and declining birthrate. 2. To boost the international competitiveness of domestic companies...
【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.
【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
【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
【单选题】If AD shifts to the right to adapt to oil shocks from OPEC, then ______.
A.
P and GDP will remain normal automatically.
B.
GDP may be unchanged although P will rise.
C.
GDP will rise and P will drop.
D.
the domestic P of oil will drop.
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