直线的正投影图是( )。A.点 B.线 C.面 D.可能是点、可能是线

题型:单项选择题

问题:

直线的正投影图是( )。

A.点

B.线

C.面

D.可能是点、可能是线

考点:木工初级木工初级
题型:单项选择题

单词填空

小题1:A number of __________(可能的) buyers have expressed interest in the company and placed orders for some of its products.

小题2:The car club couldn’t ________(保证)to meet the demands of all its members.

小题3:T_______ with fear, I made my way to the edge of the crater.

小题4:It’s ________(不合法的)to park your car here.

小题5:A woman is p_______ for nine months before a child is born.

小题6:In fact, _______(压力)isn’t so bad a thing as it is often supposed to be.

小题7:The man made a ________(陈述)to the police.

小题8:Under normal ________(情况), these two gases react readily to produce carbon dioxide and water.

小题9:Child as he is,he has many interests,r_________ from chess to swimming.

小题10:The little girl was a________ of having failed in the final exam.

题型:单项选择题

2010年上海世博会的主题是“城市,让生活更美好”。下列叙述中不正确的是(   )

A.世博会前期,处理废水时加入活性炭以吸附水中的异味

B.世博会期间,利用可降解的“玉米塑料”替代一次性饭盒,可防止产生白色污染

C.世博会中国馆——“东方之冠”使用的钢筋混凝土属于纯净物

D.世博停车场安装催化光解设施,可使汽车尾气中的CO和NOx (氮的氧化物的总称)反应生成无毒气体

题型:单项选择题

治疗病毒性心肌炎气阴亏虚证的方剂宜选()

A.人参五味子汤

B.炙甘草汤

C.桂枝加龙骨牡蛎汤

D.生脉散

E.麦门冬汤

题型:单项选择题

牛皮蝇的第三期糼虫主要寄生在  

A.头部皮下

B.小腿皮下

C.背部皮下

D.腹部皮下

E.胸部皮下

题型:单项选择题

混合成本

更多题库