题干
I ordered___________pizza and salad. The pizza was nice but__________salad was disgusting.
A：the, the
B：a, the
C：a, a
D：the, a
答案(点此获取答案解析）
B
A：the, the
B：a, the
C：a, a
D：the, a
的木块。用竖直向下的力
的弹簧压缩后突然撤去外力，则
