Jack is a diligent worker.

A．ambitious

B．convincing

C．practical

D．reliable

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参考答案

本题考查形容词。题干：杰克是个很有上进心的员工。划线单词diligent的意思是“勤奋的，勤劳的”。四个选项：ambitious“有雄心壮志的”，．convincin9“令人信服的”，practical“实践的、实用的”，reliable“可信的、可靠的”。根据题意，本题正确答案为A。

1 Our lives are intimately impacting our children.

A．tensely

B．nearly

C．carefully

D．closely

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2 The book provides a concise analysis of the country's history

A．clean

B．perfect

C．real

D．brief

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3 Contact doctor if the ache persists.

A．abolish

B．remove

C．control

D．continues

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