11.
A. worse
B. different
C. separated
D. similar
It is __11__ from a cold, but people can catch it in the same ways -- such as coughing on someone, not washing your hands or sharing a glass with a sick person.
分析：備選項都是形容詞，注意詞義差異和使用特點。線索：介詞from。
Similar adj相像的，相似的；近似的
e.g. My new dress is similar to the one you have.
我的新衣服和你的那件相似。
Separate vt, vi 分開； 離開；隔開，阻隔
e.g. The two children separated at the end of the road.
兩個孩子在路的盡頭分手了。
e.g. A fence separated the cows from the pigs.
圍欄把奶牛和豬分開。
Different adj（常from, to與連用）不同的；相異的；不同類的
e.g. It was very different from modern car races but no less exciting.
它與現(xiàn)代小汽車比賽大不相同,但激動人心的程度卻毫不遜色。
12.
A. curing（*）
B. fighting（*）
C. knowing
D. getting
-- Describe how SARS is spread, but mention that the chance of __12__ SARS is small.
分析：備選項是動詞，注意詞義差別和在句子中的搭配結(jié)構(gòu)。線索：句意和上下文?；蛴门懦ㄅ懦鼳和B（近義詞）。
13.
A. unless
B. since
C. after
D. while
There is no reason to tell children people are dying of SRAS __13__ they ask. Never use the threat of death as a way to remind kids to wash their hands.
分析：備選項是引導狀語從句的連詞，注意分句和主句之間的邏輯關(guān)系。線索：接下來一句的句意。
Remind vt（常與of, to + inf, that連用）使想起；使記起；提醒
Remind me to write to Mother.
提醒我給媽媽寫信。
This reminds me of last year.
這使我想起去年的事。
14.
A. some
B. their
C. our
D. other
-- Children should be encouraged to trust __14__ parents and other caregivers.
分析：備選項中有代詞出現(xiàn)，注意代詞的修飾成分和句意。
15.
A. as
B. except
C. like
D. despite
Explain that many smart people, __15__ doctors and scientists, are working on the problem and looking out for everyones health.
分析：備選項是詞義較明確的介詞，注意其引導的短語在句子中的語法關(guān)系。該介詞短語在句子中起舉例的作用。
Like prep如同，像，和…一樣，例如，諸如
I wish I could sing like her.
我希望能像她那樣唱歌。
There are several people interested, like Mr Jones and Mr Simpson.
許多人很有興趣，諸如瓊斯先生和辛普森先生。
feel like想要
look like似乎，好像
work on v.繼續(xù)工作, 設(shè)法說服, 影響
look out v.留神, 照料
A. worse
B. different
C. separated
D. similar
It is __11__ from a cold, but people can catch it in the same ways -- such as coughing on someone, not washing your hands or sharing a glass with a sick person.
分析：備選項都是形容詞，注意詞義差異和使用特點。線索：介詞from。
Similar adj相像的，相似的；近似的
e.g. My new dress is similar to the one you have.
我的新衣服和你的那件相似。
Separate vt, vi 分開； 離開；隔開，阻隔
e.g. The two children separated at the end of the road.
兩個孩子在路的盡頭分手了。
e.g. A fence separated the cows from the pigs.
圍欄把奶牛和豬分開。
Different adj（常from, to與連用）不同的；相異的；不同類的
e.g. It was very different from modern car races but no less exciting.
它與現(xiàn)代小汽車比賽大不相同,但激動人心的程度卻毫不遜色。
12.
A. curing（*）
B. fighting（*）
C. knowing
D. getting
-- Describe how SARS is spread, but mention that the chance of __12__ SARS is small.
分析：備選項是動詞，注意詞義差別和在句子中的搭配結(jié)構(gòu)。線索：句意和上下文?；蛴门懦ㄅ懦鼳和B（近義詞）。
13.
A. unless
B. since
C. after
D. while
There is no reason to tell children people are dying of SRAS __13__ they ask. Never use the threat of death as a way to remind kids to wash their hands.
分析：備選項是引導狀語從句的連詞，注意分句和主句之間的邏輯關(guān)系。線索：接下來一句的句意。
Remind vt（常與of, to + inf, that連用）使想起；使記起；提醒
Remind me to write to Mother.
提醒我給媽媽寫信。
This reminds me of last year.
這使我想起去年的事。
14.
A. some
B. their
C. our
D. other
-- Children should be encouraged to trust __14__ parents and other caregivers.
分析：備選項中有代詞出現(xiàn)，注意代詞的修飾成分和句意。
15.
A. as
B. except
C. like
D. despite
Explain that many smart people, __15__ doctors and scientists, are working on the problem and looking out for everyones health.
分析：備選項是詞義較明確的介詞，注意其引導的短語在句子中的語法關(guān)系。該介詞短語在句子中起舉例的作用。
Like prep如同，像，和…一樣，例如，諸如
I wish I could sing like her.
我希望能像她那樣唱歌。
There are several people interested, like Mr Jones and Mr Simpson.
許多人很有興趣，諸如瓊斯先生和辛普森先生。
feel like想要
look like似乎，好像
work on v.繼續(xù)工作, 設(shè)法說服, 影響
look out v.留神, 照料