白葡萄酒可分为哪四类？
参考答案：
白葡萄酒则细分为干白葡萄酒、半干白葡萄酒、半甜白葡萄酒和甜白葡萄酒。
I desire to make friends with him, but ________ I am worried that I can't get along well with him. [ ]
A. on the whole
B. on the other hand
C. as a matter of fact
D. first of all
气体胶管漏气，应（）
A.切除损坏部分
B.用胶布包扎
C.用油布包扎
