即时训练·达标
Ⅰ. Choose the one answer that best completes the sentences from the passage.
1. American Neil Armstrong becomes the first man _______ the moon.
A. setting foot on B. to set foot on
C. set foot on D. sets foot on
2. It is the biggest space disaster so far, and _______ the American space programme.
A. cuts down B. breaks down
C. speeds up D. slows down
3. Ever since Neil Armstrong first set foot on the Moon back on 21st July, 1969, people _______ the idea of space travel.
A. became accustomed to B. have become accustomed to
C. becoming accustomed to D. become accustomed to
4. It was _______ and _______ a decade after Apollo 11’s historic voyage, the Columbia made a safe, controlled, aeroplane-style landing in California.
A. a success; little more than B. success; a little more than
