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【多选题】

冬季金属配件(),经过打击或震动易破损裂纹。

A.
变脆
B.
变硬
C.
参数劣化
D.
绝缘降低
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【多选题】利用震动法检测爆震的传感器有()。

A.
磁致伸缩型
B.
半导体压电型
C.
共振型
D.
非共振型

【单选题】A.震动;惊恐 B.触动;慌乱 C.拨动;恐慌 D.惊动;恐惧

A.
关于兰州拉面用“食用胶”使面条筋道的报道,再一次______了公众对于食品添加剂敏感的神经。“吃一碗面等于吃掉一只塑料袋”的恐吓,成功地煽起了公众的______这再次凸显,我们的记者急需提升基本的科学素养。
B.
填入画横线部分最恰当的一项是()。

【单选题】The Grand Canyon Standing on the rim of the Grand Canyon(大峡谷), gazing across this giant wound in the Earth’’s suce, a visitor might assume that the canyon had been caused by some ancient convulsion...

A.
it was caused by some ancient convulsion
B.
its presence is an embarrassment to the state of Colorado
C.
it looks like an injury on the Earth’s suce
D.
it has caused many visitors to injure themselves
相关题目:
【单选题】当屋面坡度大于15%或受震动时,沥青防水卷材的铺贴方向应()。
A.
平行于屋脊
B.
垂直于屋脊
C.
与屋脊呈45°角
D.
上下层相互垂直
【多选题】利用震动法检测爆震的传感器有()。
A.
磁致伸缩型
B.
半导体压电型
C.
共振型
D.
非共振型
【单选题】A.震动;惊恐 B.触动;慌乱 C.拨动;恐慌 D.惊动;恐惧
A.
关于兰州拉面用“食用胶”使面条筋道的报道,再一次______了公众对于食品添加剂敏感的神经。“吃一碗面等于吃掉一只塑料袋”的恐吓,成功地煽起了公众的______这再次凸显,我们的记者急需提升基本的科学素养。
B.
填入画横线部分最恰当的一项是()。
【单选题】The Grand Canyon Standing on the rim of the Grand Canyon(大峡谷), gazing across this giant wound in the Earth’’s suce, a visitor might assume that the canyon had been caused by some ancient convulsion...
A.
it was caused by some ancient convulsion
B.
its presence is an embarrassment to the state of Colorado
C.
it looks like an injury on the Earth’s suce
D.
it has caused many visitors to injure themselves