Timdapan.com - Tải tài liệu, văn bản pháp luật, biểu mẫu miễn phíSỞ GD&ĐT VĨNH PHÚCTRƯỜNG THPT LIỄN SƠN(Đề thi gồm: 05 trang)ĐỀ KTCL ÔN THI THPT QUỐC GIA NĂM 2017-2018Môn: TIẾNG ANH – ĐỀ SỐ 299Thời gian làm bài: 60 phút, không kể thời gian phát đềRead the following passage and mark the letter A, B, C or D on your answer sheet to indicatethe correct answer to each of the questions.Why is it that flying to New York from London will leave you feeling less tired thanflying to London from New York? The answer may be a clear case of biology not being able tokeep up with technology. Deep inside the brain there is a “clock” that governs every aspect ofthe body’s functioning: sleep and wake cycles, levels of alertness, performance, mood, hormonelevels, digestion, body temperature and so on. It regulates all of these functions on a 24-hourbasis and is called the circadian clock (from the Latin, circa “about” + dies “day”).This body clock programmes us to be sleepy twice a day, between 3-5...