聽力原文: Hi Len, this is Kyle. Could you please let Alan know that I'm not coming in to work today? I was supposed to get together with him at 10 o'clock this morning to talk about the investors' group meeting we have scheduled for next week, but I woke up feeling terrible. I'm going to go see a doctor at 11.1 started feeling sick last night, and couldn't sleep well. I think I caught the flu. If you could just let him know, I'd really appreciate it. I'm going to go back to bed for a while. Thank you.
Why is the speaker making the call?
A.To schedule a meeting
B.To let people know he will be late
C.To inform. people he will not be at work today
D.To reschedule a meeting
第4題
A.韌性破壞
B.脆性破壞
C.腐蝕破壞
D.蠕變破壞
第5題
壓力容器的蠕變破壞主要是因為()發(fā)生的。
A、器壁局部產(chǎn)生高溫
B、在拉應力長期作用下
C、在剪應力長期作用下
第7題
在壓力容器器壁出現(xiàn)鼓包而造成的破壞是()。
A.韌性破壞
B.脆性破壞
C.腐蝕破壞
D.蠕變破壞
為了保護您的賬號安全,請在“上學吧”公眾號進行驗證,點擊“官網(wǎng)服務”-“賬號驗證”后輸入驗證碼“”完成驗證,驗證成功后方可繼續(xù)查看答案!