人的胰岛素基因的存在部位和表达部位分别是 A.所有体细胞,所有体细胞 B.胰腺细胞,胰腺细胞 C.所有体细胞,胰岛B细胞 D.胰腺细胞,胰岛A细胞 答案:CH Listen and circle (听录音,圈出正确的应答)(听两遍)12%1 a Thank you. b Yes, Miss Li.2 a Sorry. b Yes, Mr Green.3 a I'm sorry. b Yes, it is.4 a Yes, it is. b No. It’s a ruler.5 a It's a puppy. b How beautiful!6 a He's my friend. b He’s under the chair.