下列关于分子、原子和离子的叙述中,不正确的是
( )Where ______ you from? A.amB. areC. is
找出不同类的单词。 ( )(1)A.brotherB. postman C. sister ( )(2)A. my B. your C. I ( )(3)A.goodB. boyC. girl ( )(4)A.SingaporeB. EnglandC. Chinese ( )(5)A.playB. lookC. beautiful
( )This is the Bank ______China. A. of B. off C. for
( )He ______ on a farm. A.work B. to work C. works
( )_______she work in a company? A. Does B. IsC. Are