1.As is often pointed out, knowledge is a twoedged weapon which can be used______ for good or evil.
[解析]similarly 相似地，类似地;properly 合适地，恰当地;equally 相等地，等同地;widely 广泛地。句意：正如经常指出的那样：知识是一把双刃剑，它既可以用于善，又可以用于恶。由句意可知C项正确，指“它用于善、恶的几率是等同的”。
2.At the meeting, they sat very ________ and had a ________ talk, but I didn't know what they were talking about.
A. close; close
B. closely; close
C. close; closely
D. closely; closely
[解析]close 用作形容词，指“近的;亲密的”，用作副词意为“靠近地”，指具体的“近”;而 closely 只用作副词，意为“紧密地”。由句意“在会上他们紧挨着坐着，在亲密地交谈;但我不知道他们在谈论什么”可知选A项，第一空 close 为副词，而第二空 close 为形容词，指“亲密的，密切的”。
3.In the future, the US policy is likely to be strongly determined by internal developments in a number of key states, ________ China and Russia.
[解析]particularly 特别，尤其;namely 也就是说，即;absolutely 绝对地;eventually 最后，终于。由句意可知A项正确。
4.—You all like your English teacher?
—Yeah, she devotes herself ________ to teaching and it earns her a good reputation.
[解析]句意：—你们都喜欢你们的英语老师吗?—是的，她把全部的精力都投入到了教学中，这使她赢得了好名声。originally 原始地，最初地;extremely 极端地;obviously 明显地，显而易见地;entirely 完全地。由句意可知D项正确。
5.Foreign teachers would like students to ________ ask questions, submit theories, or to debate any required reading materials.
[解析]hopefully 有希望地;gradually 逐渐地;truly 真正地;eagerly 急切地。句意：外国老师想让学生们急切地提问题，提出理论或是辩论任何要求的阅读材料。由语境可知，此处表示“学生内心渴望提问题”，故 eagerly 正确。
6.—I played basketball for a whole morning yesterday and felt pretty good.
—You will be healthier if you exercise more ________.
[解析]regularly 定期地，有规律地;extremely 极端地;fluently 流利地;annually 年度地。句意：—我昨天打了一上午篮球，感觉相当不错。—如果你定期地进行锻炼，你会更健康。由句意可知A项正确。
7.China is no longer ________ a production base; it is also one of the most important consumer markets.
[解析]partly 部分地，在一定程度上;merely 仅仅，只不过;shortly 不久，很快，立刻;to tally 完全，整个地。由句意“中国不再只是个生产基地，它还是最重要的消费市场之一”可知B项正确。
8.—What do you think of the film 2012?
—Well, it's good. At least it's ________ the one I saw last time with Jean.
A. as bad as
B. not as good as
C. no worse than
D. not better than
[解析]句意：—你认为电影《2012》怎么样?—嗯，不错。至少不比我上次跟 Jean 去看的那部差。as bad as=not as good as“跟……一样不好”;no worse than“不比……差”;not better than“不如……好”。由句意可知C项正确。
9.—Are you used to your new job?
—Well, yes. It's not as good as I expected, ________.
10.His parents, ________， did not look after him very well: the elbows of his jacket and his boots were badly worn.