1 The company recommended that a new gas station be built here.
A ordered
B insisted
C suggested
D demanded
2 A plastic wheel can be as tough as a metal one
A useful
B tight
C weak
D strong
3 Of all the planets in this solar system， Mercury is nearest the Sun.
A most like
B closest to
C hotter than
D heavier than
4 If wool is put into hot water， it tends to shrink.
A disappear
B expand
C break
D contract
5The train came to an abrupt stop， making us wonder where we were
A an uncertain
B a slow
C an unexpected
D a smooth
答案：1. C 2. D 3. B 4. D 5. C