【单选题】When you are sleeping, you had better _____ all your windows closed. [ ]
【单选题】According to the author, if you want to keep healthy, you had better ______.
B.
keep the food in the refrigerator
C.
wash your hands as much as possible
D.
clean the surfaces with anti-bacterial products
【单选题】Z1~39.职业( )是人们对本职工作的社会价值和意义的认同。
【单选题】Z5~99.职业( )是人们对本职工作的社会价值和意义的认同。
【单选题】( )是人们对本职工作的社会价值和意义的认同。
【单选题】职业( )是人们对本职工作的社会价值和意义的认同。
【单选题】第2题 ( ) 是人们对本职工作的社会价值和意义的认同 。
【判断题】职业( )是人们对本职工作的社会价值和意义的认同。