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问题 单项选择题

上牙槽后神经阻滞麻醉时刺破翼静脉丛引起血肿，可能是由于( )

A．注射点过高
B．针尖刺入过深
C．针尖刺入过前
D．针尖刺入过后
E．麻药注射入血管内

答案

参考答案：B

填空题

根据答语,选用方框中的疑问词(组)填空。

how old  what  where  how many  who  how  how much  why  when

1. -__________ is my dictionary?       -It's on the floor.2.  - __________ is your math teacher?         -Mrs Miller.3. - __________ is this in English?       -It's a yellow ruler.4.  - __________ does your father like music?        -Because he thinks it's very interesting.5.  _________ is your uncle?        -He is thirty years old.6. -__________ is your grandmother's birthday?   

    -It's October tenth.

7.  -__________ is your mother?    

     -She is OK.

8. -__________ is her favorite subject?   

    -It's English.

9. -__________ aunts do you have?

    -Two.

10. -__________ is this green T-shirt?

     -Fifteen dollars.

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判断题

ZnO法脱硫时，原料气中的氧含量减小，硫容量降低。
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