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【多选题】
以下 要素都可以用来表达平面。A.
两条相交直线
B.
两条平行直线
C.
三点
D.
一点及点外的一条直线
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皮皮学刷刷变学霸
举一反三
【单选题】Taking an engineer or scientist involved in product design and development is always _____________.
A.
accelerate
B.
advantageous
C.
overtaken
D.
displace
【单选题】When determining the needs of the intended voyage, the chief engineer will consulted with _____, taking into consideration the requirements for fuel, water, lubricants, chemicals and any other require...
A.
Second engineer officer
B.
Chief officer
C.
Master
D.
Chief engineer officer
【单选题】When determining the needs of the intended voyage , the chief engineer will consulted with ----- Taking into consideration the requirements for fuel water lubricants chemicals and any other requiremen...
A.
master
B.
chief officer
C.
chief engineer officer
D.
second engineer officer
【单选题】when determining the needs of the intended voyage, the chief engineer will consulted with _____, taking into consideration the requirement for fuel, water, lubricants, chemicals and...
A.
chief officer
B.
second engineer officer
C.
master
D.
chief engineer officer
【简答题】第一节短文理解 阅读下列短文,从每题所给的A.、B.、C.、D.四个选项中,选出最佳选项,并在答题卡上将该项涂黑。 Text l It' s a time when school, homework, active social lives and part-time jobs keep agers (少年 ) busy from early in the morning until la...
【单选题】检测机构对某地区农场选送的有机蔬菜进行农药残留量安全检测,黄瓜、花菜、小白菜、芹菜,分别有40家、10家、30家、20家,现从中抽取一个容量为20的样本进行农药残留量安全检测.若采用分层抽样的方法抽取样本,则抽取的花菜与芹菜共有几家 ( )
A.
4
B.
5
C.
6
D.
7
【简答题】将下列句子变成反意疑问句。 1. She is a student, ? 2. Jack likes playing football, ? 3. I’m late, ? 4. They planted trees last month, ? 5. We have finished the work, ? 6. Jim and Jack can swim, ? 7. Flying kites is...
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