—___ do teenagers need to sleep ? —At least eight hours a night. A. How long B. How many C. How often 相关知识点: 试题来源: 解析 A 【详解】句意:——青少年需要睡多久?——至少每晚8小时。 how long多久,用于提问时间段;how many 多少,用来提问可数名词的数量;how often 多少时间一次,...
( A ))2.-do teenagers need to sleep?-At least eight hours a night. A. How long B. How many C. How often 相关知识点: 试题来源: 解析 答案见上【分析】 ---青少年需要睡多久?---至少每晚8小时 【解答】howlong"多久",用于现在完成时中,提问时间的段;how many"多少"用来提问可数名词的数量...
4—___ do teenagers need to sleep ?—At least eight hours a night.A.How longB.How manyC.How often 5【题目】do teenagers need to sleep?-At least eight hours a night. A. How longB. How manyC. How often 反馈 收藏
根据“Teenagers: 8-10”可知,青少年应该睡8到10小时,故选B。 (2)题详解: 细节理解题。根据“Tiredness usually peaks twice a day, at 2 a.m. and 2 p.m.”可知,疲劳通常在一天中达到高峰,分别是凌晨2点和下午2点。结合选项,人们一天中下午2点最困,故选C。 (3)题详解: 推理判断题。本文主...
1【题目】do teenagers usually sleep?-It's best for them to sleep for at least 9 hours.A. How oftenB. How farC. How long 2— do teenagers usually sleep? —It's best for them to sleep for at least 9 hours.A.How oftenB.How farC.How long 3--___ do teenagers usually sleep...
百度试题 结果1 题目(A)1.—do teenagers need to sleep?-At least eight hours a night. A. How long B. How often C. How soon 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
1. How long do teenagers need to sleep at least every day? A. Seven hours. B. Eight hours. C. Nine hours. 2. What time do people feel the sleepiest during a day? A. B. C. 3. The writer proves a lack of sleep plays a role in accidents by ___. A. asking questions ...
How long do teenagers need to sleep a day?A. Less than seven hours.B. Eight hours or so.C. More than ten hours.D. OverE. leven hours. 相关知识点: 试题来源: 解析 [答案]B [解析]细节理解题。由题干中的关键词need to sleep a day可定位到文章第三段第三句,由第四句可知,B项正确。
Sleep disorders may be related to factors such as smoking cigarettes or lack of physical activity, as well as difficulties in concentrating attention, memory disorders or worse academic performance and a tendency to contract upper respiratory tract infections. 2). Elimination of factors that may ...
— sleep do teenagers need every night?—About 8-12 hours.( ) A. What B. When C. How often D. How much 相关知识点: 试题来源: 解析 D A.What什么;B.When什么时候;C.How often多久一次,提问频度;D.How much多少,提问不可数名词;根据题意,可知这个问题询问青少年每晚需要多少睡眠时间,用How ...