牛乳与人乳比较最大的缺点是A．牛乳含较多的酪蛋白 B．牛乳中缺乏脂肪酶 C．牛乳中缺
题型：单项选择题
问题：
牛乳与人乳比较最大的缺点是
A．牛乳含较多的酪蛋白
B．牛乳中缺乏脂肪酶
C．牛乳中缺乏各种免疫因子
D．牛乳易为细菌污染
E．牛乳是以甲型乳糖为主
题型：单项选择题
补全对话。
(Monica is a student in the school, and Joyce is in charge of (负责) the music festival.)
Monica = M Joyce = J
M: Excuse me, do you need some musicians?
J: Yes. We want some musicians for our school music festival.
M: ___1__?
J: It's January 10th. We have it on January 10th.
M: Oh, I am not busy at that time(在那个时候). So I think I can come here and help you.
J: Great! But ___2___?
M: I can sing and dance.
J: Can you speak English?
M: Yes, so I can sing English so
ngs.
J: Good. Come and join us! ___3__?
M: Yes, Monica, Monica Clark.
J: ___4__?
M: It is 0713-7745329. Then you can call me at that number.
J: Ok, I will call you in January. Thanks for joining us!
M: ___5 __.