1. The Pullman Strike of 1894 tied up transportation and was finally ended only by government intervention

　　(A) relied upon(B)hindered (C) linked with

　　2. Voluntarism is a tradition in the United States.

　　(A) need (B)business (C) custom

　　3. Some species of bacteria and fungi thrive on simple compounds such as alcohol.

　　(A) mix with (B) do well on (C) exist in

　　4. Fossils are the traces of plants and animals of past geological ages that have been preserved in the Earth's crust.

　　(A) registers (B) residues (C) profusion

　　5. Smoke particles and other air pollutants are often trapped in the atmosphere, thus forming smog.

　　(A)caught (B)burned (C)dirtied

　　6. Europeans established permanent colonies on the eastern shores of what is now the United States throughout the seventeenth century.

　　(A) during (B) before (C) up until

　　7. Although wildflowers appeal to nature lovers, some of them are considered troublesome weeds by farmers.

　　(A) deadly (B) annoying (C) destructive

　　8.Owners of large estates generally keep their property tidy with the help of keepers.

　　(A) fertile (B) neat (C) inhabited

　　答案：BCBBA ABB

　　详解：

　　1、hindered

　　阻碍

　　牵制

　　后方的

　　But lately, the response from Washington has been partisanship and gridlock that’s only undermined public confidence and hindered our efforts to grow the economy.

　　但最近，华盛顿的反应就是党派之争和政治僵局，这只能蚕食公众的信心并妨碍我们对增长经济的种种努力。

　　2、custom

　　n. 习惯，惯例;风俗;海关，关税;经常光顾;[总称](经常性的)顾客

　　adj. (衣服等)定做的，定制的

　　That custom has fallen off.

　　那个风俗已经废弃了。

　　3、do well on

　　擅长于做某事

　　Think about taking an exam: if you haven't studied, you won't have much confidence in your abilities to do well on the exam.

　　想想正在考试：如果你没有学习，你会不相信自己有能力考好试。

　　4、residues

　　n. [冶] 剩余物;余数;筛留物(residue的复数)

　　Right now, we have no idea of the impact of these drug residues or what we can do about them.

　　目前，我们还不知道这些药物残留会对身体产生什么影响，也不知道该对它们做些什么。

　　5、caught

　　v. 捕捉(catch的过去分词)

　　They caught him red-handed.

　　他们当场把他抓住。

　　6、during

　　prep. 在…的时候，在…的期间

　　Many people die during famines every year.

　　每年有许多人在饥荒中死亡。

　　7、destructive

　　adj. 破坏的;毁灭性的;有害的，消极的

　　Which brings me back to the destructive effect of focusing on invisible monsters.

　　这个问题又将我们带到看不见怪物引起的破坏性作用上。