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】解析：turn something against sb.将…用作反对某人的工具。其余选项：used接不定式；changed接介词into；applied接to。
【正确答案】 C
【答案解析】解析：against反对。此处需要一个介词，而fight和struggle为动词；opposite为形容词。
【正确答案】 C
【答案解析】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】解析：up to取决于…，须由…决定的。
【正确答案】 A
【答案解析】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】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】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】解析：只能选择whether，选项人证在此没有"是否"的含义，而对于when，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】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】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】解析：whatever用于强调宾语。从搭配上看，whenever用于强调时间，whoever用于强调主语，however用于强调方式，均不合题意。
【正确答案】 B
【答案解析】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】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】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】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】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】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】解析：canceled its games取消比赛。其他选项：forbade禁止；prohibited不准；cut down减少。
【正确答案】 D
【答案解析】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】解析：in case以防。其他选项都不符合题意。