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【解析】【詳解】句意:有些孩子喜歡吃甜巧克力,雖然這對他們的健康不好。句意為“我認(rèn)為他一直在飲酒,盡管我不恩給你完全確定。18.I think he’s been drinking, _________ I’m not pletely sure.A.if B.though C.until D.a(chǎn)s【答案】B【解析】if “如果、是否”;though “雖然;盡管”;until是“直到……才……”;as “由于、因為”。如:I will tell him about it when he es. 他來的時候,我會告訴他這件事的?!军c睛】“主將從現(xiàn)”說的是在含有時間狀語從句和條件狀語從句的主從復(fù)合句中,如果主句的時態(tài)是一般將來時,那么從句要用一般現(xiàn)在時。17.I will call you as soon as he______ here.A.a(chǎn)rrive B.will arrive C.a(chǎn)rrives D.a(chǎn)rrived【答案】C【解析】【詳解】句意:他一到這里我就給你打電話。while后跟進(jìn)行時態(tài),主句時態(tài)是一般現(xiàn)在時,可知while后面的從句時態(tài)用現(xiàn)在進(jìn)行時??疾榫渥訒r態(tài)。16.——Today’s young people can’t live without smart phones.——They keep their hands on the phones wherever they go, even while they meals.A.have B.a(chǎn)re havingC.were having D.will have【答案】B【解析】【詳解】句意:——今天的年輕人沒有智能手機(jī)無法生活。A. 以便于,表目的;B. 一……就,表條件;C. 既然,表原因;D. 只要,表條件。t get lost.A.so that B.a(chǎn)s soon as C.now that D.a(chǎn)s long as【答案】A【解析】【詳解】句意:你最好帶上地圖,這樣你就不會迷路。15.You39。though 雖然;if 如果;unless 除非。故答案為A。A. because因為;B. if如果;C. until直到……才;D. unless除非,如果不。根據(jù)句意故選B。12.Could you give me some advice on travelling?Take a map with you _______ you have a guide or you know the city very well.A.if B.unless C.a(chǎn)lthough D.because【答案】B【解析】句意:你能給我一些關(guān)于旅行的建議嗎?如果沒有向?qū)Щ蛘邔Τ鞘胁缓芰私?,那么就隨身帶著一張地圖??疾闀r態(tài)。本句是原因狀語從句,前果后因;根據(jù)句意結(jié)構(gòu)和語境,可知選A??疾檫B詞辨析。10.Today, many people are in subhealth(亞健康), why?Yes. They are so tired long time ________ they are busy with their work and exercise little every day.A.because B.until C.though D.or【答案】A【解析】【詳解】句意:——今天,許多人處于亞健康狀態(tài),為什么?——是的。if如果,表條件;unless除非,表條件;推后盡管,表讓步;because因為,表原因。9.She was happy to get a gift from her friend, _________it was only a card.A.if . B.unless C.though D.bec