要让学生成为学习的主人,关键是要在学习中培养和锻炼学生的哪些能力()
A.自我评价
B.自我反思
C.自我调控
D.自我复习
参考答案:A, B, C
—Can I get you a cup of orange?
—_______ . [ ]
A. It’s very nice of you.
B. With pleasure.
C. You can, please.
D. Thank you for the orange
试述乳化剂对水包油型乳状液的乳化作用机理。