6. A rock durable enough to have withstood natural conditions for a very long time in other areas could probably be shattered into small pieces by salt weathering within a few generations.
The word "durable" is closest in meaning to which of following?
(A) large
(B) strong
(C) flexible
(D) pressured
The word "shattered" is closest in meaning to which of following?
(A) arranged
(B) dissolved
(C) broken apart
(D) gathered together
7. The dominant salt in Death Valley is halite, or sodium chloride, but other salts, mostly carbonates and sulfates, also cause prying and wedging, as does ordinary ice.
The word "dominant" is closest in meaning to which of following?
(A) most recent
(B) most common
(C) least available
(D) least damaging
8. Overland transport in the United States was still extremely primitive in 1790. Roads were few and short, usually extending from inland communities to the nearest river town or seaport.
The word "primitive" is closest in meaning to which of following?
(A) unsafe
(B) unknown
(C) inexpensive
(D) undeveloped
9. Nearly all interstate commerce was carried out by sailing ships that served the bays and harbors of the seaboard. Yet, in 1790 the nation was on the threshold of a new era of road development.
The phrase "on the threshold of" in line 4 and 5 is closest in meaning to which of following?
(A) in need of
(B) in place of
(C) at the start of
(D) with the purpose of
10. The company built a gravel road within two years, and the success of the Lancaster Pike encouraged imitation. Northern states generally relied on private companies to build their toll roads, but Virginia constructed a network at public expense.
The word "imitation" is closest in meaning to which of following?
(A) investment
(B) suggestion
(C) increasing
(D) copying
参考答案：
1 C
2 A
3 D D
4 A
5 A
6 B C
7 B
8 C
9 C
10 D
编辑推荐：
更多信息请关注读书人网：www.REader8.cn 托福频道！
