题目

下列广告用语在科学性上错误的是（ ）A.没有水就没有生命B.这种蒸馏水绝对纯净，其中不含任何离子C.这种口服液含丰富的氮、磷、锌等微量元素D.这种饮料不含任何化学物质 答案：【答案】B,C,D【解析】：A．水是生命之源，人类时刻离不开水，所以人类不能没有水，没有水就没有生命，故A不符合题意；B．水是弱电解质，能电离出氢离子和氢氧根离子，所以蒸馏水中含有离子，故B符合题意；C．氮和磷在人体内属于常量元素，不是微量元素，故C符合题意；D．任何物质都是由化学 完形填空      Directions:For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context.     The story happened in my childhood when I was living with my stepmother. She worked all day so I was  _1_   looking after my younger half brother. During that time in our life, my dad wasn't present much, but I didn't     2  ,  because my stepmother took good care of my little brother and me. I loved her and always    3   she could spend more time with us but she worked Monday through Saturday.     At that time my little brother was about four years old and he   4     her so much all the time. One day, he cried, saying he wanted his "Mummy". So I locked the house and carried him on my back to find his mummy.     My stepmother worked very far away. After about an hour's   5  ,  my little brother got tired and fell asleep. Then I   6   and saw he'd lost a shoe while sleeping. I took him from my back and put him down. I knew we had to find that shoe because my stepmom wouldn't be able to    7    new shoes for him, but it would take too    8   to do it while carrying my brother.      So I told him to stay where he was and I would run and find the shoe and come back. A man overheard me and stopped me right     9   I walked off. He asked me, "You're leaving your brother here to go to find the shoe? What if he isn't here when you     10   ?" I didn't know how to answer that question. So he said, "People are always more    11    than things. It's okay if you can't find the shoe, but it isn't okay to lose your brother over a shoe."      He asked where we were headed and I told him the fact. I remember him looking at me and smiling when I told him what I was doing. He took both my brother and me and put us in a taxi and sent us to our      12    . (     )1. A. nervous about    (     )2. A. mind             (     )3. A. believed         (     )4. A. loved            (     )5. A. ride             (     )6. A. looked up        (     )7. A. seek             (     )8. A. long             (     )9. A. until            (     )10. A. leave           (     )11. A. wonderful       (     )12. A. destination     B. good at        B. worry          B. appreciated    B. missed         B. drive          B. looked around  B. afford         B. much           B. when           B. return         B. intelligent    B. home           C. responsible for C. complain        C. ensured         C. demanded        C. run             C. looked down     C. repair          C. far             C. before          C. search          C. essential       C. factory         D. bored with    D. regret        D. wished        D. thought       D. walk          D. looked out    D. make          D. late          D. though        D. wander        D. important     D. shelter