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【单选题】
对 的要求是分合灵敏,工作平稳和传递足够的扭矩。A.
联轴器
B.
蜗轮、蜗杆
C.
螺旋机构
D.
离合器
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反馈参考答案：
举一反三
【单选题】He arrived here at noon, ﹍﹍in the day, and he went out and came back﹍﹍in the day.
A.
late; late
B.
late; later
C.
later; late
D.
later; later
【简答题】When author Nicholas Carr began researching his book on whether the Internet is ruining our minds，he restricted his online access and email.His new book argues the latest technology renders us less c...
【多选题】关于儿童药物的给药途径，下列说法正确的有()
A.
直肠给药可有效避免肝脏的首过效应，在小儿服药困难的情况下，对某些药物如止惊药和退热药是一种方便有效的途径
B.
婴幼儿臀部肌肉不发达，血液循环丰富，水溶性药物很快被吸收，可注射超过1mL的注射剂
C.
呼吸道给药经肺泡毛细血管吸收面积大、速度快，主要用于麻醉药与呼吸道疾病的给药，但须根据患儿年龄特点选择不同的吸入方式
D.
小儿皮下脂肪少，且易发生感染，吸收注射容量有限，因此在儿童中很少采用皮下注射
E.
透皮给药对患儿安全、方便、依从性高，但这种制剂工艺复杂，目前上市者不多，有待进一步开发
【简答题】He arrived here at noon, in the day, and he went out and came back inthe day. A. latelate B. late later C.later late D. later later
【单选题】A: What did your son say in the letter? B: He told me that he _____ the Disney World the nest day.(书101页活动2)
A.
will visit
B.
has visited
C.
is going to visit
D.
was going to visit
【简答题】A. He has another meeting to attend that day. B. He's available either day. C. He can't attend a two-day conference. D. Not everybody will go to the meeting.
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