题目

下列有关遗传物质的描述，错误的是 A.细胞生物的遗传物质都是DNA         B.任何生物的遗传物质只有一种 C.不含DNA的生物，RNA是其遗传物质   D.肺炎双球菌的遗传物质是DNA或RNA 答案：D短文填空 根据短文内容及首字母提示, 补全空格内单词，请写出完整单词。Amanda is an American filmmaker and actress. She came to China three years ago to study Performance at Beijing Film Academy. Last month, she m 小题1:to Japan to study Economics at the University of Tokyo. On June 10th, She r 小题2:to the USA. She chatted with her parents about the cultural d 小题3: between the two countries.“The people in b 小题4:countries are very friendly to f  小题5:. But they have different cultures. For example, when I spoke Chinese in China, the people there always showed s  小题6:on their faces. But when I came to Japan, I found it was o  小题7:. Most local people there hoped I could talk with them in Japanese, t 小题8:I was not good at it,” she said.Amanda thought this might have something to d 小题9:with the fact that the western group in Japan is o 小题10:than the one in China. They have stayed in Japan for a long time. And most of them speak Japanese well. But Westerners in China are still quite a new group. They’re usually treated as guests and tourists.