单选题 Everything seemed to have become a weapon of war. Our enemies had (1) the most familiar objects (2) us, turned shaving kits into holsters and airplanes (3) missiles and soccer coaches and newlyweds into involuntary suicide bombers. So it was (4) the President and his generals to plot the response.
That is because we are (5) one enemy but two: one unseen, the other inside. Terror on this scale (6) to wreck the way we live our lives-make us flinch when a siren sounds, (7) when a door slams and think twice before deciding (8) we really have to take a plane. If we falter, they win, (9) they never plant another bomb. So after the early helplessness, what can I do? I've already given blood-people started to realize that (10) they could do was exactly, as precisely as possible, (11) they would have done if all this (12) .
That was the spirit (13) in New York and Washington and all across the country, faith and fear and resolve in a tight braid. Because the killers who hate us did the (14) , nothing is unthinkable now. A plume of grill smoke venting from a Manhattan steak house (15) the evacuation of midtown office towers. After the Pentagon (16) , generals called their families and told them (17) the water, it could be poisoned. Sales of guns and gas masks spiked. The National Football League (18) its games for the first time ever; bomb scares emptied 90 sites on Thursday in New York City (19) . People wore sneakers with their suits (20) they had to fly fast down the stairs.

【正确答案】 D
【答案解析】turn something against sb将……用作反对某人的工具。其余选项： A．used接不定式；B．changed接介词into；C．applied接to。
【正确答案】 C
【答案解析】against反对。此处需要一个介词，而A．fight和D．struggle为动词； D．opposite为形容词。
【正确答案】 C
【答案解析】turn．．．into将……转变成。其余选项不符合上下文的短语搭配。
【正确答案】 D
【答案解析】up to取决于……，须由……决定的。
【正确答案】 A
【答案解析】fighting not one enemy but two不是和一个，而是和两个敌人同时作战。注意否定词not的位置。选项B．not fighting否定的是fighting，而此处需要否定的是one enemy。
【正确答案】 B
【答案解析】be meant to do按预计要做，该会是，例如：You were meant to ask me why I was disappointed with this idea．你该问问我为什么对这种想法感到失望。其余选项为“意味着”之意。
【正确答案】 A
【答案解析】注意与前面的动词的关系：make sb jump，省略不定式符号to。
【正确答案】 B
【答案解析】只能选择whether，选项人证在此没有“是否”的含义，而对于 C．when，D．how之类的问题一般不必三思而行(think twice before deciding)。
【正确答案】 D
【答案解析】even if即便是。其余选项都没有这层意思。
【正确答案】 A
【答案解析】what they could do他们能做的一切。此处需要由what引起的主语从句。
【正确答案】 C
【答案解析】whatever用于强调宾语。从搭配上看，A．whenever用于强调时间， B．whoever用于强调主语，D．however用于强调方式，均不合题意。
【正确答案】 B
【答案解析】hadn't happened，注意此处的过去虚拟语气：要是眼前这一切不曾发生，让他们做什么他们都愿意。
【正确答案】 C
【答案解析】此处的building为“增大，加强”之意，例如：The plot builds steadily toward a climax．情节不断向高潮发展。此处用现在分词，具有主动、正在的含义。
【正确答案】 B
【答案解析】the unthinkable不可思议的事情。unthinkable加定冠词the，变成了名词，其余几个选项的形容词没有这样的用法。
【正确答案】 C
【答案解析】leads to导致，造成。根据题意，此处需要填入一个谓语动词，且为第三人称单数，而不是动词的其他非谓语形式或动词原形。
【正确答案】 B
【答案解析】was hit 被撞。根据题意，此处需要用一般过去时的被动语态。
【正确答案】 A
【答案解析】注意不定式做宾补的否定式的结构：tell sb not to do sth。其他选项结构搭配不当。
【正确答案】 C
【答案解析】canceled its games取消比赛。其他选项：A．forbade禁止； B．prohibited不准；D．cut down减少。
【正确答案】 D
【答案解析】in New York City a lone仅在纽约市。注意掌握alone一词的用法，是直接放在所修饰的名词的后面。
【正确答案】 A
【答案解析】in case以防。其他选项都不符合题意。