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【单选题】
平流层中的温度升高是因为()A.
a.臭氧多
B.
b.氮、氧分子多
C.
c.空气运动快
D.
水汽多
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【单选题】Americans are eating ______ vegetable per person today as they did in 1910.
A.
more than twice
B.
twice more
C.
as twice
D.
more than twice as many
【单选题】(The) (more than) 50,000 nuclear weapons in the hands of various nations today are more than ample (destroying) every city in the world several times (over).
A.
The
B.
more than
C.
destroying
D.
over
【简答题】In Cubatao today, there are more than twenty
【单选题】廖明经常通过旅行服务网站订某酒店的房间 , 常年价格在 380 元到 400 元左右。有一次 , 他用朋友的账号查询发现价格是 300 元;但用自己的账号去查 , 还是 380 元。这类现象被人们称之为 “ 大数据杀熟 ” 。这表明 ( ) 1 市场调节具有盲目性 , 会导致市场秩序的紊乱 2 市场交易的双方都必须遵循自愿和公平的原则 3 诚实信用是现代市场经济正 常运行的必要条件 4 市场失灵时...
A.
． ①②
B.
． ①④
C.
． ②③
D.
． ③④
【单选题】Americans are eating ______ vegetables per person today as they did in 1910.
A.
more than twice
B.
twice more
C.
as twice
D.
more than twice as many
【单选题】The weather was _____ it is today. [ ]
A.
not as wetter as
B.
not wetter than
C.
more wetter than
D.
wetter as
【单选题】Studies show depression______.
A.
is more common today than in the past decades
B.
was more common in the old generations
C.
increased ten times in the days of our parents and grandparents
D.
afflicts only young people
【简答题】Today atmospheric carbon dioxide concentrations are 31 percent more than that of______.
【简答题】Today, more than ______ percent of U.S. physicians are women.
【单选题】Today there are more airplanes________ more people than ever before in the skies.
A.
carry
B.
carrying
C.
carried
D.
to be carrying
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