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题目
题型:同步题难度:来源:
The school rules state that no child shall be allowed out of the school during the day, _____ accompanied
by an adult.

[     ]

A. once
B. when
C. if
D. unless
答案
D
核心考点
试题【The school rules state that no child shall be allowed out of the school during t】;主要考察你对连词等知识点的理解。[详细]
举一反三
— Tom is a sunny man.
— Yeah. ______ he is poor, he looks happy.

[      ]

A. As if
B. In order that
C. Even if
D. So that
题型:同步题难度:| 查看答案
There is a widespread belief among the science world ____ we keep on _____  the earth as we are doing today,
the exist ence of us humans on this planet will be out of the question in some years yet to come.[     ]
A. if; polluting
B. if; to pollute
C. that if; to pollute
D. that if; polluting
题型:同步题难度:| 查看答案
It is partly ______ the summer day is longer that everything has a larger time to warm up.

[     ]

A. for
B. that
C. the reason
D. because
题型:同步题难度:| 查看答案
_____ you drive carefully, you will be very safe.

[     ]

A. As if
B. As long as
C. Even if
D. In case
题型:同步题难度:| 查看答案
_____we are not attacked by nuclear weapons, we promise that under no circumstances _____ use the
bomb first but we reserve the right to use it for counter-attack when necessary.

[      ] 

A. As long as; we shall
B. If; shall we
C. So long as ; shall we
D. Even if; we shall
题型:同步题难度:| 查看答案
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