单选题 Text
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The decrease (8) blood pressure occurred (9) race or (10) and whether or not study participants are a "typical American diet", (11) is high in saturated fats and contains few fruits and (12) or the so-called DASH (for Dietary Approaches to Stop Hypertension)diet, which emphasizes lots of fresh (13) , low-fat diary, fish and fewer sweets and which was proved in 1997 to reduce hypertension. The biggest decrease in blood pressure in this study was recorded in subjects who ate the DASH diet and reduced their sodium (14) to 1 200mg a day.
Why is this significant? (15) -health experts estimate that Americans consume, on average, about 3 500 mg of sodium— (16) about 9 grams of salt — daily. It' s not (17) we' re that heavy-handed with the saltshaker. Most of our dietary sodium is added (18) food processing. (19) to 1 200mg, you'd have to forgo most (20) foods, take-out deliveries and restaurant meals.
So pay attention (21) how much salt you' re eating, but don' t forget to make fruits, vegetables and whole grains a (22) part of your diet. They' ll help (23) your cholesterol level (24) your blood pressure. Be sure to drink alcohol (25) , if at all. (26) weight—even just 4.5kg—and exercising at least 30 minutes most days of the week can also have a marked (27) on blood pressure.
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单选题 A. at B. into C. in D. with
【正确答案】 C
【答案解析】[解析] 考查介词搭配，decrease in sth.。
单选题 A. in terms of B. regardless of C. despite of D. as for
【正确答案】 B
【答案解析】[解析] 考查固定短语用法。in terms of在…方面；regardless of不管，不顾；despite尽管；as for至于，关于。故选B。
单选题 A. male B. female C. gender D. adult
【正确答案】 C
【答案解析】[解析] 考查名词词义辨析，此空前为race(人种，种族)，故此空应为gender(性别)正确。
单选题 A. which B. that C. what D. who
【正确答案】 A
【答案解析】[解析] 考查非限定性定语从句的引导词，应由which引导。
单选题 A. meat B. pork C. alcohol D. vegetables
【正确答案】 D
【答案解析】[解析] 考查句间逻辑关系。此空前为fruits(水果)，故选vegetables(蔬菜)正确。
单选题 A. product B. sample C. production D. produce
【正确答案】 D
【答案解析】[解析] 考查名词词义辨析。product产品；sample样品；production生产；produce农产品，因此空前后一直在讨论fruits、vegetables，都属于农产品。再根据句间的逻辑关系，故选D。
单选题 A. absorption B. digestion C. intake D. output
【正确答案】 C
【答案解析】[解析] 考查名词词义辨析。absorption吸收；digestion消化；intake摄入；output产量。故选C。
单选题 A. Personal B. Public C. Domestic D. Internal
【正确答案】 B
【答案解析】[解析] 考查形容词词义辨析。personal个人的；public公共的；domestic国内的，家庭的；internal内部的。据上下文，讨论所有美国人的健康问题，故选B正确。public-health公共健康。
单选题 A. equal to B. similar to C. as to D. according to
【正确答案】 A
【答案解析】[解析] 考查短语用法。equal to等于；similar to与…相似；as to提及，提到；according to根据，依照，故选A。
单选题 17A. which B. that C. what D. how
【正确答案】 B
【答案解析】[解析] 考查it做主语时连词的使用。此句用that。
单选题 A. at B. into C. during D. between
【正确答案】 C
【答案解析】[解析] 考查介词搭配during...process(ing)。
单选题 A. Getting down B. Having got down C. To get down D. Get down
【正确答案】 C
【答案解析】[解析] 考查句问逻辑关系。据上下文，前应为目的状语，故选C。
单选题 A. preparing B. prepare C. prepared D. prepares
【正确答案】 C
【答案解析】[解析] 考查动词-ed形式做定语用法。此处应为“准备的…”，故选C正确。
单选题 A. to B. in C. into D. with
【正确答案】 A
【答案解析】[解析] 考查同定搭配。pay attention to注意…
单选题 A. smaller B. fewer C. more D. larger
【正确答案】 D
【答案解析】[解析] 考查形容词用法及上下文逻辑关系。a large/small part of大/小部分，据上下文，应多吃水果蔬菜，故选D。
单选题 A. lower B. low C. lowering D. to low
【正确答案】 A
【答案解析】[解析] 考查lower的动词用法及help动词搭配，后接动词原形，help do sth.。
单选题 A. as to B. as for C. as if D. as well as
【正确答案】 D
【答案解析】[解析] 考查短语用法。as to提到，提及；as for关于，至于；as if好像，似乎；as well as也，和。故选D。
单选题 A. positively B. tenderly C. moderately D. abundantly
【正确答案】 C
【答案解析】[解析] 考查副词词义辨析。positively明确地，有益的；tenderly温柔地，脆弱地；moderately适度地，不过分地；abundantly大量地，据上下文，作者建议应少喝酒，故选C。
单选题 A. Losing B. Lowering C. Casting D. Prevention
【正确答案】 A
【答案解析】[解析] 考查固定搭配“减肥”的表达法。lose one's weight.
单选题 A. affection B. affect C. effect D. efficiency
【正确答案】 C
【答案解析】[解析] 考查固定搭配have an effect on sth(对…有效)的用法。affect动词，影响；affection情感；efficiency效率。