[单项选择]This part of the country is ______for its many historic houses.
A. obvious
B. remarkable
C. abundant
D. sufficient

[单项选择]This part of the country is ______for its many historic houses.
A. obvious
B. remarkable
C. abundant
D. sufficient

[单项选择]Living in the western part of the country has its problems, ______ obtaining fresh water is not the least.
A. with which
B. for which
C. of which
D. which

[单项选择]

Country Y uses its scarce foreign-exchange reserves to buy scrap iron for recycling into steel. Although the steel thus produced earns more foreign exchange than it costs, that policy is foolish. Country Y’s own territory has vast deposits of iron ore, which can be mined with minimal expenditure of foreign exchange.
Which of the following, if true, provides the strongest support for Country Y’s policy of buying scrap iron abroad（）

A. The price of scrap iron international markets rose significantly in 1987
B. Country Y’s foreign-exchange reserves dropped significantly in 1987
C. There is virtually no difference in quality between steel produced from scrap iron and that produced from iron ore
D. Scrap iron is now used in the production of roughly half the steel used in the world today, and experts predict that scrap iron will be used even more extensively in the future
E. Furnaces that process scrap iron can be built and operated in Country Y with substantially less foreign exchange than can furnaces that process iron ore

[单项选择]Many of his colleagues eventually agreed that Einstein’s theory was tenable（）.
A. tenuous
B. warrantable
C. redundant
D. tolerable

[单项选择]

Our country has many chances for adults who want to make their lives better. There are public schools you can attend. In the schools, you can take things (1) English, arithmetic and history, you can find classes in almost (2) subjects you want to study. You may want to (3) to type, sew, paint or fix TV sets. You may want to learn (4) about the trade you are already in. You may want to get a high school diploma. You may (5) want to go to college. All it takes is time and effort. In many cities, there are adult classes in (6) schools. You can attend many of these classes without (7) to pay money. In some schools you may have to pay a small fee. There are (8) many kinds of private schools for adults, where you may have to pay more money. Many job chances are (9) to those who wish to work. It helps if you know (10) than one language. There are good (11) for interpreters and typists who know English. There
A. chosen
B. allowed
C. promised
D. offered