下列具宿萼和浆果的一组是（）
A.茄、油菜
B.枸杞、白花蔓陀罗
C.番茄、黄瓜
D.茄、橘
参考答案：B
Miss Green is the only person can help you with your English. [ ]
A. which
B. that
C. what
D. whom
化学键有哪些类型？
