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【单选题】
He had five children to raise, ______ he had to work long hours every day.
A.
as
B.
because
C.
so
D.
for
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Choose the correct academic word to replace the underlined words from the four choices: We noted a possible problem with the experimental design.
A.
fundamental
B.
potential
C.
principal
D.
identical
【单选题】Jim likes jogging, ______ tennis, and riding a bicycle.
A.
play
B.
playing
C.
played
D.
to play
【单选题】The purpose of literature review is to inform the potential reader of the results of the research.
A.
正确
B.
错误
【单选题】Choose the correct academic word to replace the underlined words from the four choices: The research emphasizes the importance of international trade agreement.
A.
facilitates
B.
eliminates
C.
underscores
D.
harnesses
【单选题】The cost of his hotel stays ______ paid by himself.
A.
having had
B.
had
C.
was
D.
were
【单选题】Not knowing her name, ______.
A.
she was difficult to introduce
B.
I was difficult to introduce her
C.
I find it difficult to introduce her
D.
she cannot be introduced easily
【单选题】Choose the correct academic word to replace the underlined words from the four choices: Data are often controlled to harmonize with the results of the experience.
A.
administered, reconcile
B.
manipulated, interconnect
C.
administered, interconnect
D.
manipulated, reconcile
【单选题】Born in Russia, he ______.
A.
he is now a teacher
B.
he likes painting
C.
became a famous musician
D.
he speaks fluent Russian