题目

下列关于元素周期表和元素周期律的说法不正确的是 ( )A．从氟到碘，生成的氢化物熔、沸点逐渐升高，稳定性逐渐减弱B．因为钠原子比铝原子容易失去电子，所以钠比铝的还原性强C．从钠到氯，最高价氧化物的水化物碱性逐渐减弱，酸性逐渐增强D．氧与硫为同主族元素，氧比硫的原子半径小，氧比硫的氧化性强  完形填空。        Where I'm from, we're pretty  1   about time. If you tell a friend you're going to their house fordinner, it's okay if you arrive   2  late.  3    time with family and, friends  4  very important to us. We often just drop   5  our friends' homes. We don't usually have to   6  plans to meet our friends. Often we just walk around the town center, seeing as  7   of our friends as we can! (     )1. A. relax  (     )2. A. a bit  (     )3. A. Spend  (     )4. A. is   (     )5. A. on    (     )6. A. make  (     )7. A. much   B. relaxingB. a littleB. Spent  B. are   B. to                 B. do   B. many   C. relaxed C. a few   C. SpendingC. were                                                         C. by      C. did                                                                              C. more