埋弧自动焊时，采用的主要接头形式是对接接头、T型接头和（）。_爱下问搜题

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问题填空题

埋弧自动焊时，采用的主要接头形式是对接接头、T型接头和（）。

答案

参考答案：搭接接头

完形填空

完形填空。

Christmas 1___________ my favourite holiday. 2___________ a holiday, people 3___________ work.
Children don't 4___________ school. Christmas is special. 5___________ ? Because we 6___________
Christmas trees, lights and Santa. He is a merry 7___________ . Children say he 8___________ toys on
Christmas. We invite our family and friends 9___________ our house. We sing carols. 10___________ are
happy on Christmas.

( ) 1. A. is
( ) 2. A. In
( ) 3. A. do
( ) 4. A. go
( ) 5. A. Why
( ) 6. A. has
( ) 7. A. man
( ) 8. A. bring
( ) 9. A. to
( ) 10. A. us

B. are
B. At
B. don't
B. come
B. Where
B. have
B. men
B. brought
B. at
B. They

C. am
C. On
C. does
C. go to
C. What
C. had
C. woman
C. brings
C. on
C. We

单项选择题

范蠡的老师计然本命叫（）

A.辛武子

B.辛伍子

C.辛文子

D.辛温子