题目

如图1是细胞中化合物含量的扇形图，图2是有活性的细胞中元素含量的柱形图，下列说法不正确的是(   )  A．若图1表示细胞鲜重，则A、B化合物依次是水、蛋白质  B．若图2表示组成人体细胞的元素含量，则a、b、c依次是O、C、H  C．地壳与活细胞中含量最多的元素都是a，因此说明生物界与非生物界具有统一性  D．若图1表示细胞完全脱水后化合物含量，则A化合物具有多样性，其必含的元素为C、      H、O、N1.. One of them is International Labor Day. It’s on May 1st. People enjoy a one-day holiday. They often go shopping or traveling.2. On this day, people have dragon boat races in many places and eat ZongZi to remember Qu Yuan. People can enjoy a one-day holiday, too.October 1st is National Day of the PRC. It is a very important holiday. All the people in the country celebrate the birthday of China on this day. In Beijing, 3. The spring festival is a big event. People usually start preparing for the festival one month before it comes. 4.and clean and decorate their homes. They also buy some new clothes on the eve of the festival, the family all get together at midnight for good luck. On the first day of the lunar new year. Children put on their new clothes and greet their parents.5.将下面方框中A-E五个句子，填入短文中的五个空白处，使短文意思完整、通顺。A.The dragon boat festival is on lunar may 5th.B.They are very happy to get lucky money from them.C.There are many holidays and festivals in China. D.many people go to Tian’anmen square to watch the national flag go up.E.They prepare delicious food