【简答题】滚动轴承的公差等级由轴承的 ____ 和旋转精度决定,向心轴承公差等级分为 0、6、5、4、2共五个级 , 0级最低 ,2级最高。
【单选题】遗传信息的传递方向,是从DNA到RNA再到蛋白质,这就是所谓的( )
【单选题】( )Look at that young woman!That would be his ________ wife.
【单选题】欧美国家的网络借贷平台风险控制呈现以下特点( )
【单选题】听力原文:W: Look at that desk. It's the same as ours but half the price. M: Maybe we should try to return the one we bought and get our money back. W: Too late now. But from now on, we'll check out prices...
A.
Check out the prices to get the money back.
B.
Look in this shop before buying anything elsewhere.
C.
Act earlier to return the things they buy.
D.
Buy everything in this shop from now on.
【单选题】—Is that man Johnny Dean ? —Yes.He is ______ . Look at that woman.She is Tina Brown and she is ______.
C.
handsome ; medium height
【判断题】中心法则是遗传信息从DNA向RNA,再向蛋白质传递的规律。
【判断题】轴承的精度等级共5级,0级最高,2级最低。
【判断题】中心法则是遗传信息从DNA向RNA,再向蛋白质传递的规律。
【简答题】A:Look at that woman. She looks like she's going to faint. B:Let's go to her. She ______________ need help.