烧焊时，金属焊件可释放出有毒气体，所以下列哪一措施最为重要?A

搜题请搜索小程序“爱下问搜题”

问题单项选择题

烧焊时，金属焊件可释放出有毒气体，所以下列哪一措施最为重要?

A.采取局部性抽风系统，减低职工吸入

B.工人应佩戴合适的安全面罩

C.安排医护人员在场协助抢救

答案

参考答案：A

阅读理解

阅读理解，判断正(T)误(F)。

I have three friends. They are Lily, Lucy and Meimei. Lily is 155 cm tall. She is 40 kg. Lucy is 160 cm tall.

She is 50 kg. I am 160 cm. Meimei is 1 cm shorter than me. I am 5 cm taller than Lily. Meimei is heavier than

Lucy. We are good friends.

( ) 1. I have three friends.

( ) 2. Meimei is taller than Lucy.

( ) 3. Lucy is heavier than Meimei.

( ) 4. I am taller than Lucy.

( ) 5. Lucy, Meimei, Lily and I are good friends.

填空题

计算32×6+24÷3时，可以同时先算（）法和（）法，再算（）法。