吊运炽热金属或危险品的起重机钢丝绳或捆绑吊索，由于钢丝绳的破

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问题单项选择题

吊运炽热金属或危险品的起重机钢丝绳或捆绑吊索，由于钢丝绳的破坏会导致更为严重的事故后果，所以报废更要从严掌握。吊运炽热金属或危险品用钢丝绳的报废断丝数，为一般起重机用钢丝绳报废断丝数的( )%，其中包括由于钢丝表面磨蚀而进行的折减。

A．90

B．80

C．60

D．50

答案

参考答案：D

阅读理解

阅读短文，判断正(T)误(F)。

Hello, I am Mary. My father is Mr. Smith. He is a businessman. My mother is Mrs. Smith. She is a doctor.

I have two brothers, John and Tom. John is twenty-four years old. He is a bus driver. Tom is eleven. I am

thirteen years old. We are students. We love my family.

( ) 1. My name is Mary Smith.

( ) 2. My family has four people.

( ) 3. My father is a doctor.

( ) 4. Tom is a student.

( ) 5. John is older than Tom.

问答题简答题

罗马里奥拥有哪一届奥运会金牌？