皮皮学,免费搜题
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搜题
【单选题】
、下列是按钢的用途分类的是( )。
A.
低碳钢中碳钢高碳钢
B.
普通碳素钢优质碳素钢
C.
碳素结构钢碳素工具钢
D.
转炉钢电炉钢
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举一反三
【单选题】导致先天性心脏病发生的最主要因素是哪一项?
A.
遗传因素
B.
环境因素
C.
遗传因素与环境因素的相互作用
D.
基因突变
【单选题】What will the man do this afternoon?
A.
He has an important meeting.
B.
He has a lunch appointment.
C.
He will check his schedule for openings.
D.
He will write a report.
【多选题】下列属于多段线 PLIAN命令的选项是 。
A.
Arc弧
B.
Length长度
C.
Join点
D.
Close闭合
【单选题】设置"多线样式 " 时,下列不属于多线封口的是?
A.
直线
B.
多段线
C.
内弧
D.
外弧
【单选题】ROM的特点是 。
A.
只能读取数据,不能写入数据
B.
只能写入数据,不能读取数据
C.
既能读出数据,又能写入数据
D.
断电后数据立即消失
【单选题】What do we know about the man from the conversation?
A.
He has never been to the beach.
B.
He is hard-working.
C.
He has never spent his weekend in the library.
D.
He wishes he had gone to the beach with the woman.
【简答题】A.No, he is not allowed to change his mind. B.Yes, he has the legal right to do so. C.No, because he has already displayed the goods. D.Yes, if the customer allows him to do so.
【单选题】— Do you think he can get the first prize for jumping? —Impossible now. He to do so, but he has just hurt his leg. [      ]
A.
would expect
B.
was expected
C.
has expected
D.
is expected
【单选题】导致先天性心脏病发生的最主要因素是哪一项?
A.
遗传因素
B.
环境因素
C.
遗传因素与环境因素的相互作用
D.
以上都不是
【多选题】下列属于事故多发点的路段为( )。
A.
急弯路段
B.
视线受阻路段
C.
隧道出入口
D.
长下坡路段
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