Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man. They do not provide energy, ___1___ do they construct or build any part of the body. They are needed for ___2___ foods into energy and body maintenance. There are thirteen or more of them, and if ___3___ is missing, a deficiency disease becomes ___4___.
1. A. either B. so C. nor D. never
2. A. shifting B. transferringC. altering D. transforming
3. A. any B. someC. anything D. something
4. A. serious B. apparent C. severe D. fatal
通讀全文后可知，這是一篇有關(guān)科普知識(shí)的短文，一般來(lái)說(shuō)科普知識(shí)文章以客觀陳述為突出特點(diǎn)，用詞比較正式，句子結(jié)構(gòu)比較嚴(yán)密，因此在選擇時(shí)要在宏觀上考慮到這些因素。比如第四空，從科學(xué)常識(shí)可知，缺乏任何一種維生素都不至于使疾病嚴(yán)重(serious)、致命(fatal)，故應(yīng)排除選項(xiàng)A和D。severe(嚴(yán)厲的)不能用來(lái)修飾疾病。因此，選B apparent既合乎句意，搭配又得當(dāng)?！×硗?，完形填空的空格沒(méi)有任何一個(gè)是孤立地存在的，必須把它們放在文章的語(yǔ)言環(huán)境中進(jìn)行逐個(gè)推敲，同時(shí)利用自己對(duì)各種材料描寫(xiě)、陳述內(nèi)容的了解，作出正確選擇。
PART Ⅰ
Decide which of the choices given below would correctly complete the passage if inserted in the corresponding blanks. Mark the correct choice for each blank on your ANSWER SHEET. The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time. ___1___ these wide modern roads are generally ___2___ and well maintained, with___3___ sharp curves and straight sections, a direct route is not always the most ___4___ one. Large highways often pass ___5___ scenic areas and interesting small towns. Furthermore, these highways generally ___6___ large urban centers, which means that they become crowded with ___7___ traffic during rush hours, ___8___ the “fast, direct” route becomes a very slow route. However, there is almost always another route to take ___9___ you are not in a hurry. Not far from the ___10___ new “superhighways”, there are often older, ___11___ heavily traveled roads which go through the countryside. ___12___ of these are good two-lane roads; others are uneven roads curving through the country. These secondary routes may go up steep slopes, along high ___13___ , or down frightening hillside to towns ___14___ in deep valleys. Through these less direct routes, longer and slower, they generally go to places ___15___ the air is clean and scenery is beautiful, and the driver may have a chance to get a fresh, clean view of the world.
1. A. Although B. Since C. Because D. Therefore
2. A. stable B. splendid C. smooth D. complicated
3. A. little B. few C. much D. many
4. A. terrible B. possible C. enjoyable D. profitable
5. A. to B. into C. over D. by
6. A. lead B. connect C. collect D. communicate
7. A. large B. fast C. high D. heavy
8. A. when B. for C. but D. that
9. A. unless B. if C. as D. since
10. A. relatively B. regularly C. respectively D. reasonably
11. A. and B. less C. more D. or
12. A. All B. Several C. Lots D. Some
13. A. rocks B. cliffs C. roads D. paths
14. A. lying B. laying C. laid D. lied
15. A. there B. when C. which D. where
1. A. either B. so C. nor D. never
2. A. shifting B. transferringC. altering D. transforming
3. A. any B. someC. anything D. something
4. A. serious B. apparent C. severe D. fatal
通讀全文后可知，這是一篇有關(guān)科普知識(shí)的短文，一般來(lái)說(shuō)科普知識(shí)文章以客觀陳述為突出特點(diǎn)，用詞比較正式，句子結(jié)構(gòu)比較嚴(yán)密，因此在選擇時(shí)要在宏觀上考慮到這些因素。比如第四空，從科學(xué)常識(shí)可知，缺乏任何一種維生素都不至于使疾病嚴(yán)重(serious)、致命(fatal)，故應(yīng)排除選項(xiàng)A和D。severe(嚴(yán)厲的)不能用來(lái)修飾疾病。因此，選B apparent既合乎句意，搭配又得當(dāng)?！×硗?，完形填空的空格沒(méi)有任何一個(gè)是孤立地存在的，必須把它們放在文章的語(yǔ)言環(huán)境中進(jìn)行逐個(gè)推敲，同時(shí)利用自己對(duì)各種材料描寫(xiě)、陳述內(nèi)容的了解，作出正確選擇。
PART Ⅰ
Decide which of the choices given below would correctly complete the passage if inserted in the corresponding blanks. Mark the correct choice for each blank on your ANSWER SHEET. The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time. ___1___ these wide modern roads are generally ___2___ and well maintained, with___3___ sharp curves and straight sections, a direct route is not always the most ___4___ one. Large highways often pass ___5___ scenic areas and interesting small towns. Furthermore, these highways generally ___6___ large urban centers, which means that they become crowded with ___7___ traffic during rush hours, ___8___ the “fast, direct” route becomes a very slow route. However, there is almost always another route to take ___9___ you are not in a hurry. Not far from the ___10___ new “superhighways”, there are often older, ___11___ heavily traveled roads which go through the countryside. ___12___ of these are good two-lane roads; others are uneven roads curving through the country. These secondary routes may go up steep slopes, along high ___13___ , or down frightening hillside to towns ___14___ in deep valleys. Through these less direct routes, longer and slower, they generally go to places ___15___ the air is clean and scenery is beautiful, and the driver may have a chance to get a fresh, clean view of the world.
1. A. Although B. Since C. Because D. Therefore
2. A. stable B. splendid C. smooth D. complicated
3. A. little B. few C. much D. many
4. A. terrible B. possible C. enjoyable D. profitable
5. A. to B. into C. over D. by
6. A. lead B. connect C. collect D. communicate
7. A. large B. fast C. high D. heavy
8. A. when B. for C. but D. that
9. A. unless B. if C. as D. since
10. A. relatively B. regularly C. respectively D. reasonably
11. A. and B. less C. more D. or
12. A. All B. Several C. Lots D. Some
13. A. rocks B. cliffs C. roads D. paths
14. A. lying B. laying C. laid D. lied
15. A. there B. when C. which D. where