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【简答题】
和注意稳定性相反的是注意的 。
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【单选题】以下不属于单纯蛋白酶的是( )
A.
蛋白酶
B.
淀粉酶
C.
细胞色素氧化酶
D.
脂肪酶
【简答题】为了防止邮箱邮件爆满而无法正常使用邮箱,您认为应该怎么做() A看完的邮件就立即删除 B定期删除邮箱的邮件 C定期备份邮件并删除 D发送附件时压缩附件
【单选题】力的三要素是:力的大小、方向和()。
A.
重力
B.
弹力
C.
摩擦力
D.
作用点
【单选题】不属于单纯酶的是
A.
淀粉酶
B.
蛋白 酶
C.
核糖核酸酶
D.
L- 乳酸脱氢酶
【简答题】阅读理解。 A Trip to the Forest One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing. In the afternoon when they w...
【简答题】判断正误,正确(T),错误(F)。 Bob and Jim once worked in the same factory. One day, Bob lent him ten dollars, but then Jim left his work and went to work in another town without going back to the factory. Bob had...
【单选题】力的三要素是力的大小、方向和( )。
A.
重心
B.
起点
C.
作用点
D.
方位
【简答题】One day, Bob took two of his friends into the mountains. They put up their tents(帐篷)and then rode off to a forest to see how the trees were growing. In the afternoon when they were about ten kilometer...
【单选题】为了防止邮箱邮件爆满而无法正常使用邮箱,您认为应该做( )
A.
看完邮件就删除
B.
定期删除邮箱的邮件
C.
定期备份邮件并删除
D.
发送附件时压缩附件
【单选题】力偶的三要素是()。
A.
力偶矩大小、力偶方向、作用点
B.
力偶矩、作用点、平面移动
C.
力偶矩大小、力偶转向、作用面的方位
D.
力偶相等、作用力、平面汇交
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