题干
I can play ________ violin but I can't play ________ baseball.
A：a; the
B：the; the
C：the; /
D：/; the
答案(点此获取答案解析）
C
I can play ________ violin but I can't play ________ baseball.
A：a; the
B：the; the
C：the; /
D：/; the
2Z(g)，经60s达到平衡，生成0．2molZ。下列说法正
确的是:
