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【单选题】
天然气的主要成分以()为主，还含有少量的二氧化碳、硫化氢、氮和微量的氦、氖、氩等气体。A.
甲烷
B.
乙烷
C.
丙烷
D.
丁烷
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举一反三
【单选题】I. Read the following passage and answer the questions.Passage 1For most people learning to drive, the driving test arises ahead as a major barrier. It is also a general source of conversation wheneve...
A.
whenever people learning to drive get together, they often talk about the driving test
B.
new and exaggerated stories about the test are always appearing
C.
there are more tall stories about the driving test than any other subject
D.
the same stories about the test reappear years later
【单选题】We will discuss the project between ______after the meeting.
A.
our
B.
ours
C.
ourselves
D.
ourself
【单选题】The five rings ____________the close unity and friendly meeting at the Olympics between athletes from five continents.
A.
prove
B.
represent
C.
defeat
D.
explain
【单选题】Read the following passage and answer the questions.Passage 1For most people learning to drive, the driving test arises ahead as a major barrier. It is also a general source of conversation whenever d...
A.
some examiners can go to occasional centers from the permanent centers
B.
routes and conditions have to be the same everywhere
C.
there has to be enough parking space for the candidates and the examiners
D.
not every town could provide enough test routes close to permanent centers
【单选题】Read the following passage and answer the questions.Passage 1For most people learning to drive, the driving test arises ahead as a major barrier. It is also a general source of conversation whenever d...
A.
test routes have roughly the same conditions everywhere
B.
candidate drivers pass the test
C.
all candidates are treated equally by the examiners during the test
D.
some test centers do not have enough parking space
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