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【单选题】
急性阑尾炎非手术治疗期间,体温升高,全腹疼痛,肌紧张,病人发生了( )
A.
腹腔脓肿
B.
阑尾穿孔并发腹膜炎
C.
阑尾坏疽
D.
行程阑尾周围脓肿
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【简答题】制动液的使用注意事项有哪些?
【判断题】国家标准是其他同类标准必须遵守的共同准则和最低要求。
A.
正确
B.
错误
【单选题】一质点由静止开始作圆周运动,其相对圆心的角动量随时间的变化关系为 L = 3 t 2 ,则质点受到的相对于圆心的力矩大小为
A.
6
B.
6t
C.
D.
【简答题】Directions: You are going to hear a short passage on the rules for children. Supply the missing words. When parents make a lot of rules about their children’s behavior, they make (1) _______ for thems...
【单选题】According to the passage, Miss Amelia was
A.
a woman of handsome countenance.
B.
negligent of other men's courtship.
C.
hurt badly by the marriage that failed.
D.
ambitious to become famous and rich.
【简答题】根据所听的短文内容,在所给的A、B、C三个选项中选出最佳选项。 1. Who likes sports? A. Tom. B. Mike. C. Tom and Mike. 2. What are they doing at 7:35? A. They're skating. B. They're listening to the radio. C. They're swimming. 3. Wh...
【单选题】一质点由静止开始作圆周运动,其相对圆心的角动量随时间的变化关系为 L = 3 t 2 ,则质点受到的相对于圆心的力矩大小为
A.
6t
B.
C.
6
D.
【单选题】呼吸性酸中毒应最先解决的问题是
A.
肺部感染,使用大量抗生素
B.
进行人工呼吸
C.
应用呼吸中枢兴奋剂
D.
解除呼吸道梗阻,改善肺换气功能
E.
给予碱性液体
【单选题】The______emphasis on exams is by far the worst form. of competition in schools.
A.
negligent
B.
edible
C.
fabulous
D.
disproportionate
【单选题】一质点由静止开始作圆周运动,其相对圆心的角动量随时间的变化关系为 L =3 t 2 ,则质点受到的相对于圆心的力矩大小为
A.
6t
B.
t^3
C.
6
D.
3t^2
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