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【单选题】
无镇静作用的H1受体阻断药是A.
苯海拉明
B.
扑尔敏
C.
D.
苯茚胺
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皮皮学刷刷变学霸
举一反三
【简答题】The acting direction of static pressure is always in the direction of the acting suce
【简答题】The definition about static pressure is
【单选题】某幼儿园为杜绝幼儿家长可能投诉现象的出现,要求 幼儿每两小时进行一次用餐。该幼儿园的做法( )
A.
正确，幼儿正 处于身体迅 速发展时期， 应随时随地 补充能量
B.
错误，违反了 联合国《儿童 权利公约》的 规定
C.
正确，不利于 培养幼儿的 良好生活习 惯
D.
错误，违反了 《幼儿园工 作规程》的规 定——两餐 间隔时间不 得少于三小 时半
【单选题】The static pressure and density of the airstream behind the shock wave are greatly ________.
A.
increased
B.
decreased
【单选题】Oil pressure in the lubrication system is_______ than the static sea water head to ensure that sea water cannot enter the sterntube in the event of seal failure.
A.
higher
B.
lower
C.
very higher
D.
very lower
【单选题】Oil pressure in the lubrication system is _____ the static sea water head to ensure that sea water _____ the stem-tube.
A.
lower than / can lubricate
B.
lower than / can cool
C.
higher than / can enter
D.
higher than / cannot enter
【单选题】How many senators do they need to vote guilty in order to remove a President from office?
A.
One third
B.
Two thirds
C.
A half
D.
Three quarters
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