当逃生通道被堵死，无法逃离火场时，则应（）。A、退回室内，关_爱下问搜题

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问题多项选择题

当逃生通道被堵死，无法逃离火场时，则应（）。

A、退回室内，关闭通向火区的门窗

B、向门窗上浇水延缓火势蔓延

C、同时向窗外发出求救信号

D、跳楼求生

答案

参考答案：A, B, C

完形填空

完形填空。

Dear friend,
         Do you want   1   about my day? Well, I usually   2   at 5:00, then I take    3 .
  4 6:00, I   5 . breakfast. Then I   6   at 7:00. I have   7    at noon at school. After lunch.
I play sports   8 my friends. And I   9    at 5:00 pm. please write  10 me soon.
                                                                                                                      Yours,
                                                                                                                        Linda

( )1. A. know
( )2. A. go to bed
( )3. A. a showers
( )5. A. do
( )6. A. go to school
( )7. A. breakfast
( )8. A. arid
( )9. A. go to home
( )10. A. for

B. to know
B. get up
B. shower
B. have
B. go shopping
B. dinner
B. for
B. go home
B. on

C. knows
C. go to school
C. the shower
C. has
C. go to bed
C. lunch
C. together
C. go to bed
C. to

D. knowing
D. do homework
D. a shower
D. does
D. play soccer
D. meals
D. with
D. go to school
D. with

填空题

古蔡氏法检砷时，需加入酸性氯化亚锡试液，目的是（）。