Ⅴ. 词与短语填空(共5小题,每小题2分,满分10分)
仔细阅读下面短文,用下面方框中所给的单词或短语填空,使短文在结构、句义和逻辑上正确。(提示:方框中有二个单词或短语是多余的。)
affect rush clocks energy make use of dark more
Daylight Saving Time(DST), also known as Summer Time, is a system(制度) of setting 66. forward by one hour during summer months. During DST, the sun seems to go down later. The main aim(目的) is to 67. natural daylight better. With 68. evening sunlight, people can do more outdoor things. It's also thought to save 69. because less artificial(人造的) light is needed.
However, DST has some problems. It can 70. our body clocks, causing sleep problems. Also, not all countries use it, especially(尤其) those near the equator(赤道) where daylight hours don't change much.

66. clocks 【解析】考查名词。根据“Daylight Saving Time”及“forward by one hour during summer months”可知,夏令时是在夏季月份将钟表向前调整一小时,可数名词复数 clocks 表示“钟表”,符合语境。
67. make use of 【解析】考查动词短语。句意:主要目的是更好地利用自然光。make use of 表示“利用”,动词不定式符号 to 后接动词原形。
68. more 【解析】考查限定词。根据“the sun seems to go down later”及“people can do more outdoor things”可知,有了更多傍晚的阳光,人们可以进行更多的户外活动。more 表示“更多的”。
69. energy 【解析】考查名词。根据“less artificial light is needed”可知,夏令时需要更少的人造光,因此夏令时可以节约能源。energy 表示“能源”,为不可数名词。
70. affect 【解析】考查动词。根据“causing sleep problems”可知,夏令时影响我们的生物钟。动词 affect 表示“影响”,情态动词“can”后用动词原形。