制动器动作灵活,工作可靠.制动时两侧闸瓦应紧密、均匀地贴在制动轮工作面上,松闸时制动轮与闸瓦不发生摩擦.()
参考答案:对
根据句意,补全单词中所缺字母,使补全后的句子通顺、合理。
1. What do you m_ _ _by this word, please?
2. I will s _ _ _my friends some pictures as presents.
3. The little boy can't stand w _ _ _ _ _ _his mother's help.
4. "Hands up" is a _ _ _ _ _ _way of saying "Put up your hands".
5. More and more foreigners come and v_ _ _ _ China and more and more Chinese go to foreign countries.
流行性出血热患者高热40℃3天,有瘀斑,突然热退。血压6.67/5kPa(50/30mmHg),尿蛋白(+++),有膜状物,最合适的治疗为
A.扩容为主
B.应用血管活性药
C.应用激素为主
D.应用大量干扰素
E.以纠正酸中毒为主