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_ average, there are 800 tornadoes in the US each year, causing about 80 deaths and 1,500 injuries. 4. The worst tornado ________all time occurred in 1925, affecting three US states. 5. The cemetery where Coghlan was buried was destroyed by the hurricane and Coghlan39。hand ________(經(jīng)驗 ) of running a school. 5. You39。 The global warming is being worse and worse, ________________. 2.在三歲前,他沒有見過他的父親。 ________________I had seen the man a few days before. 4.要把東西放在最容易找到的地 方。 ________, I spend 30 yuan every week. 答案 our daily life the time hadn39。此處 suddenly striking me 相當(dāng)于定語從句 that suddenly struck me,作定語修飾 the idea。根據(jù)句意可知第一個空可填 occurred 或 happened,但第二空必須填causing。相當(dāng)于 and it caused more than 15 deaths。 ] 3. Many men were________underground when there was an accident in the mine. A. burying B. buried C. built D. building 答案 B [句意 :煤礦發(fā)生事故時,很多人被埋在井下。根據(jù)句意可知選 B,此處 bury與主語 many men之間是被動關(guān)系,故要用一般過去時的被動語態(tài)。s rather variable, but I earn 100 yuan a day________. A. on average B. in mon C. in total D. in all 答案 A [on average“ 平均 ” ,符合句意。 ] 5. We were to go out, but________watching videos at home. A. ended up B. ended in C. ended off D. ended with 答案 A [end up doing sth以做某事結(jié)束,且常表示意料之外的結(jié)果。 experience表示 “ 經(jīng)驗 ” 時,是不可數(shù)名詞,表示抽象概念,其前不用冠詞; society在 此為抽象名詞,其前亦不加冠詞,所以選 C。醫(yī)生勸說病人到海邊去恢復(fù)健康。 take up從事; set up建立; make up補償,占。 take off(事業(yè) )成功,起飛,符合句意。 ] 9. By the time Jane gets home, her aunt________for London to attend a meeting. A. will leave B. leaves C. will have left D. left 答案 C [by the time 引導(dǎo)的從句用一般現(xiàn)在時,主句常用將來完成時。t leave the water________while you brush your teeth. A. run B. r