【单选题】我国国有经济在国民经济中的主导作用主要表现在( )。
【单选题】----What’s it that cost him the job? ----_______ experience .He was always very nervous.
【判断题】Z535 钻床调试前的准备时,将电工工具、兆欧表、万用表和转速表准备好。
【单选题】My brother’s bedroom is always a mess, and he can never find anything, _________ is very frustrating.
【单选题】Mr. Bean’s movies are always very_________ and many people are made to laugh.