【判断题】异步电机与同步电机的基本区别是,转子转速与定子旋转磁场的转速不相等。()
【判断题】Don’t put all your keys together.
【单选题】ABC会计师事务所指派注册会计师丁负责D公司2009年度财务报表审计工作, 2010年1月14日开始审计,在审计过程中,需对负责投资业务审计的助理人员提出的相关问题予以解答,并对其编制的有关审计工作底稿进行复核。请代为作出正确的专业判断。 注册会计师安排助理人员计算D公司短期股票投资所占投资或资产的比例,其主要目的是( )。
【单选题】The second paragraph is mainly about ______.
A.
the wheel in transportation
B.
the roller in transportation
C.
animals in transportation
【单选题】Question 4. Why did man in the 1960s develop a desire to explore again? ----- Passage 1 ----- There are many great inventions that have changed the way we live in. The first great invention was one th...
A.
Man wanted to move to other stars.
B.
Other countries wanted to catch up with the United States.
C.
Other countries wanted to follow Russia.
D.
Going into space is a dream for man to realize.
【单选题】It’s too cold .You had better ______your coat.
【单选题】的功用是保证气门做往复运动时,使气门与气门座正确密合。
【单选题】When you've (finished) with that book, (don't) forget (to put is back) on the shelf, won't (you)?