分式x-1x+2的值为0时,x的值是( ) A.0 B.1 C.-1 D.-2

题型:选择题

问题:

分式
x-1
x+2
的值为0时,x的值是(  )
A.0B.1C.-1D.-2
考点:分式的定义
题型:选择题

移位再植()

A.拇指完全离断

B.老人一指多节段断指

C.儿童小指完全断指

D.两处以上的断指

E.多指断指,仅拇指断指远端无再植条件

题型:选择题

根据答语, 补全问句

1. — ________ do you spell it?                      

    —T-U-E-S-D-A-Y.

2. — _______are my shoes?                          

    —They are under the bed.

3. — _______ ________ is your brother?     

    —He’s thirteen.

4. —________ man?                                     

    —The one in the car.

5. —______ _______ is that car?                   

    —It’s blue and white.

6. —_______ are you?                                  

    —I’m fine. Thanks.

7. —______ do you have English?                 

    —I have English on Monday, Wednesday and Friday.

8. —______ does he like math?                     

    —Because it is difficult but fun.

9. —_______ ________ is it now?                 

    —It’s seven thirty.

10. —_______ is that girl in red?                    

      —She is my sister, June.

题型:选择题

浮筒式液位计的调校可分为干法调校和湿法调校。

题型:选择题

高血压合并心肌梗死宜选用()

A.苄胺唑啉

B.哌唑嗪

C.肼苯哒嗪

D.美托洛尔

E.巯甲丙脯酸

题型:选择题

作为产品的生产者,该公司具有的责任是()。

A.保证产品的内在质量

B.严格执行进货验收制度

C.严禁生产假冒伪劣产品

D.产品的包装必须符合规定要求

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