A．Science and its applications bring us many dangers.

　　B．The development of science mostly lies in people's attitudes.

　　C．Mankind can largely take control of science with their efforts.

　　D．The future of science will be influenced by the dangerous ideas.

　　答案　B　[主旨大意题。根据文章第一、二段，尤其是第二段中“Science can be a force for evil as well as for good. Its applications can be channeled either way, depending on our decisions.”可知本文的中心是科学的发展在很大程度上取决于人们的态度，故答案为B项。]

　　强化组

　　Passage 1

　　限时：8分钟

　　体裁：议论文　题材：社会生活类　难度：难词数：450

　　[2016·枣强中学周测]Suppose you become a leader in an organization. It's very likely that you'll want to have volunteers to help with the organization's activities. To do so，it should help to understand why people undertake volunteer work and what keeps their interest in the work.

　　Let's begin with the question of why people volunteer. Researchers have identified several factors that motivate people to get involved. For example, people volunteer to express personal values related to unselfishness, to expand their range of experiences, and to strengthen social relationships. If volunteer positions do not meet these needs, people may not wish to participate. To select volunteers, you may need to understand the motivations of the people you wish to attract.

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