最简分数的分子和分母( ) A.都是质数 B.一个是质数一个是合数 C.只有公因数1

题型:选择题

问题:

最简分数的分子和分母(  )
A.都是质数B.一个是质数一个是合数
C.只有公因数1
考点:约分,通分,最简分数,分数的化简
题型:选择题

某运动员,男,22岁,因外伤致右股骨颈头下型骨折,行加压螺纹钉内固定术后半年下地负重,近来逐渐髋部疼痛.X线股骨头变形、变扁,其最可能的情况是()。

A.加压螺纹钉松动

B.骨折未愈合

C.加压钉过深过长刺激髋臼

D.股骨头缺血性坏死

E.髋关节迟发性感染

题型:选择题

句型转换:根据句后的要求改写句子。

1. She does some washing for her family on Sundays. (否定句)

She _______ ________ ________ washing for her family on Sundays.

2. Mr and Mrs Smith go to work by bus. (一般疑问句,肯定回答)

   ______ Mr and Mrs Smith _______ a bus to work? Yes, _______ ________.

3. The twin brothers are in the school football team.(同义句)

The twin brothers are _________ ________ the school football team.

4. What colour are those new bikes? (同义句)

What's _________ _________ _________ those new bikes?

5. Millie goes to the Reading Club every Monday and Wednesday.  (同义句)

Millie goes to the Reading Club _________ _________ _________.

6. There is a woman doctor in the office. (划线提问)

  How ________ ________ _________ are there in the office?

7. You can park your car in front of the building. (划线提问)

________ _______ I park my car ?

题型:选择题

关于臂丛神经炎下列哪项是错误的()

A.多见于成年人,呈急性或亚急性起病

B.与感染或异种血清、疫苗接种有关

C.也可由颈椎病、颈椎间盘突出等颈部疾病引起

D.病前及发病早期多伴有发热及全身症状

E.病初以肩和上肢疼痛为主,继之出现肌无力和肌萎缩

题型:选择题

下列行为构成不当得利的是( )。

A.赌博所赢之钱

B.受领未到期之给付

C.银行出纳计息错误

D.收银员多找给顾客的钱

题型:选择题

如发现卸扣有裂纹,磨损可以降低负荷使用。

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