知识点1

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教师讲解：

活学活用

• 1. On the beach, a person may sit on an old blanket, idly watching the clouds stretch, or if the day is windy, scud toward the horizon.【单选】     

  　　 A. move quickly

  　　 B. stretch fast

  　　 C. roam

  　　 D. roll fast

  教师解析：答案为A。scud的意义为快速移动，B中的stretch意为扩展，C中的roam意为漫步，D中的roll意为滚动，故选A。

• 2. Britain’s failure to ride out international economic difficulties lends further weight to microeconomic causes in explaining its poor economic performance. 【单选】     

  　　 A. figure out

  　　 B. pass through

  　　 C. work out

  　　 D. come through

  教师解析：答案为D。figure out为想出，pass through意为通过，work out意为设计出，只有come through有克服的意思，所以答案为D。

• 3. But nearly all of the publicly known cyber damage to computer terminals comes from viruses rampaging on the internet, which are accidentally introduced by workers to the systems of their companies.【单选】     

  　　 A. mushrooming

  　　 B. penetrating

  　　 C. raging

  　　 D. racing

  教师解析：答案为C。mushroom意为快速增长，多为褒义，penetrating意为贯穿，racing意为疾走，只有raging意为猖獗，故答案为C.

• 4. Lily fought back the outrage that was driving her to pummel Charlie for not getting her approval on something as dangerous as flying.【单选】     

  　　 A. whip

  　　 B. punch

  　　 C. hammer

  　　 D. batten

  教师解析：答案为B。Whip意为用鞭子抽打，punch意为用拳头猛击，hammer意为锤击，batten意为在…上钉板条，只有punch一词与pummel相近，故答案为B。