经专项检修的部位或部件须保证一个专项检修周期不发生责任事故。
参考答案:对
Those who are of great determination are ____ to make great achievement. [ ]
A. like
B. likely
C. probably
D. possible
—I don’t care for baseball.
—How can you say you don’t like something you’ve never even tried it!
A.till
B.after
C.unless
D.when