无齿锯切割时应保持锯片与被切割物保持垂直，可以侧向挤压，防止_爱下问搜题

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问题判断题

无齿锯切割时应保持锯片与被切割物保持垂直，可以侧向挤压，防止锯片断裂。

答案

参考答案：错

完形填空

完形填空。

       This is a girl. She's   1 English girl. Her name's Becky. She's twelve. She's in 2 No. 1 Middle School in
Beijing. She studies (学习)   3 in it. Mr Liu is her Chinese teacher.   4 name is Liu Yong. He's a good teacher.
He teaches (教) her Chinese very well. His home   5 number is (010)65268559. He loves his students very
much.
        Becky's father and mother   6 teachers. Her father is   7 Green.   8 works (工作) in Beijing now. He
teaches us English. He   9 to work 10 his bike. He's our good English teacher and good friend.

( ) 1. A. a
( ) 2. A. grade one, class four
( ) 3. A. English
( ) 4. A. My
( ) 5. A. phone
( ) 6. A. am
( ) 7. A. Miss
( ) 8. A. We
( ) 9. A. forget
( ) 10. A. on

B. an
B. class four, grade one
B. Chinese
B. Your
B. bike
B. is
B. Mr
B. They
B. forgets
B. in

C. the
C. Grade One, Class Four
C. Japanese
C. His
C. car
C. be
C. Mrs
C. He
C. go
C. at

D. /
D. Class Four, Grade One.
D. American
D. Her
D. bus
D. are
D. teacher
D. Them
D. goes
D. to

填空题

治疗旋毛形线虫病疗效最好的药物是（），它既可杀死肠内的（），又可杀死肌肉中的（）。