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【单选题】
梁的变形叠加原理适用的条件是:梁的变形必须是载荷的线性齐次函数。要符合此条件必须满足( )要求。A.
(A) 梁的变形是小变形
B.
(B) 梁的变形是弹性变形
C.
(C) 梁的变形是小变形，且应力不超过弹性极限
D.
(D) 梁的变形是小变形，且应力不超过比例极限
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【多选题】侵蚀性葡萄胎的诊断依据
A.
葡萄胎清官后血hCG持续升高超过4周
B.
镜检见绒毛结构
C.
葡萄胎清宫后半年内发病
D.
侵入子宫肌层，滋养细胞高度增生
E.
发生肺部转移
【简答题】根据上下文的意思和首字母填出所缺单词。 1. Let's go to the c _____ Spiderman Ⅳis on. 2. I would like to i_____ my friends to my birthday party. 3. Yao Ming is my favourite sports p_____ . 4. Many students like playing ba...
【简答题】根据上下文和首字母提示，将短文填写完整。 Su Hai and Su Yang are twin s . Su Hai is as o as SuYang. They are in the s class and they l the same. They are good at r and j . Su Hai runs f , but Su Yang jumps h . Su Yang is ...
【简答题】请根据首字母,中文提示或者上下文, 写出下列句中所缺单词, 使句子意思完整。 小题1:C to expectation, he didn't win in the contest. 小题2:During both World War I and II, pigeons were e by armies to carry messages to and from the front lines. 小...
【单选题】患者，女，23岁，心慌，多汗，低热1周。检查见甲状腺左叶肿大、触痛、质硬。血FT4及FT3升高，血沉30mol／h应首先考虑
A.
自主性功能亢进性甲状腺腺瘤
B.
Graves病
C.
桥本甲状腺炎
D.
甲状腺左叶出血
E.
亚急性甲状腺炎
【简答题】综合填空。 根据短文内容和首字母提示将所缺单词补充完整。 Jenny and Danny are birthday cards for Li Ming. They will send (寄) the c_____ (1) and some presents to China. Tom is helping them. 'May I have a l______ (2) at your...
【简答题】阅读下面的短文，根据上下文意思及所给首字母写出所缺单词。 Basketball is a very popular g 1 in America. People and children all 1 2 it. Most people can play it. A basketball is a r 3 and big ball. It's bigger and heavier than a f ...
【简答题】请根据首字母,中文提示或者上下文, 写出下列句中所缺单词, 使句子意思完整。 小题1:So we've been looking at other possibilities too, such as murder. We will not give up until we find convincing e__________. 小题2:As you can see, my __________...
【多选题】侵蚀性葡萄胎的诊断依据
A.
发生肺部转移
B.
葡萄胎清官后血hCG持续升高超过4周
C.
镜检见绒毛结构
D.
侵入子宫肌层，滋养细胞高度增生
E.
葡萄胎清宫后半年内发病
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