Ⅰ. 听句子，选择正确答语。每个句子读一遍。（5分）
( )1.A.Thank you. B.Bad luck. C.I’m afraid not.
( )2. A.Not at all. B.Yes, that’s right. C.Glad to hear that.
( )3.A.Why not? B.I’m feeling well. C.OK, Dr. Sun.
( )4.A.Sure, go ahead. B.Sorry, I don’t. C.Le t me think.
( )5.A.Very much. B.Plants and animals. C.Plants.
