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【单选题】
( )是表示易燃液体燃爆危险性的一个重要指标。A.
闪点
B.
燃点
C.
自燃点
D.
凝固点
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反馈参考答案：
举一反三
【单选题】单项选择。 ______ a good girl. All ______ friends like her. [ ]
A.
She, her
B.
She's, she's
C.
She's, her
【单选题】What happened to Tracy?
A.
She broke her arm.
B.
She hurt her back.
C.
She broke her leg.
【简答题】土一般由 、 和 三部分组成。
【单选题】She is _____, but she looks young. [ ]
A.
in her fifty
B.
at her fifty
C.
in her fifties
D.
at her fifties
【简答题】环境变量Path中有多个路径时,路径之间采用_______符号分隔。
【单选题】A) She lost her way. B) She lost her keys. C) She lost her car. D) She lost her handbag.
A.
She lost her way.
B.
She lost her keys.
C.
She lost her car.
D.
She lost her handbag.
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