题目

丁香油酚是一种有特殊香味的液体，它的结构简式是 丁香油酚不具有的性质是(    )A.与金属钠反应                                     B.与NaOH溶液反应C.与Na2CO3反应放出CO2                     D.能发生加聚反应 答案：解析：由结构决定性质可推知丁香油酚具有酚类、醚类、烯烃类等的性质。由于苯酚的酸性比H2CO3弱，故苯酚与Na2CO3反应不能放出CO2。答案：C阅读下面短文，从文后所给各题的四个选项（A. B C D ）中，选出可以填入空白处的最佳选项。 Over the years, thanks to my life’s obstacles(障碍), I understood the meaning of faith and the strong will to survive. It was Hurricane Ike that made me fully __ the beauty of our strength and a human’s motivation to ____ . Mom had a two-week____in summer. While we enjoyed our holiday in Southeast Texas, we didn’t realize the fact that Ike____cause months and likely years of “labor”. By September 7th, the “eyes of Texas” were watching Hurricane Ike more____, making the typical mad rush for last-minute hurricane____. Two days later, both oil and ice were in____demand. In the early hours of September 11th, some neighbors were planning to____the storm in their homes,____others were making final preparations to get away. At first, we decided to stay. But that afternoon, the Houston-Galveston area would be on the more___side of the storm. Mom and I packed some of our most____ belongings in the car and____the East Texas town of Lufkin. As Ike pushed farther inland, we____ power in Lufkin. On Sunday, our next-door neighbor told us via cell phone that our____ had remained well. Our hopes could not have been ___ . But a few hours later, the neighbors reported that our brick chimney had____ , and it was sitting on our living room, ____ a hole in the roof between two skylights (天窗).We wouldn’t be allowed to return home ____ September 17th. I climbed upstairs, and looked toward the hole in the roof which showed a beautiful blue sky.Without hesitation, I shouted, “Wow! A third skylight!”My neighbors could not believe I was making jokes____ crying, but ___ is always good medicine. It was with that joke that I knew, given time, everything would be okay.1.A. observe B. appreciate C. explore D. improve2.A. work B. apologize C. recover D. change3.A. vacation B. journey C. meeting D. schedule4.A. must B. might C. should D. would5.A. closely B. constantly C. warningly D. differently6.A. adventure B. equipment C. supplies D. reports7.A. basic B. high C. pure D. neat8.A. get through B. put away C. test out D. suffer from9.A. since B. when C. until D. while10.A. dangerous B. abundant C. peaceful D. awesome11.A. available B. concrete C. precious D. potential12.A. set out B. headed for C. settled down D. watched out13.A. provided B. reduced C. produced D. lost14.A. garden B. house C. pool D. yard15.A. clearer B. wilder C. lower D. higher16.A. passed B. stood C. gone D. followed17.A. leaving B. digging C. filling D. kicking18.A. by B. before C. until D. after19.A. in spite of B. instead of C. apart from D. in terms of20.A. faith B. will C. strength D. laughter