题干
连线题
①Have you got any stamps from China ? ____
②What do you do on Flag Day ?____
③What’s your favourite festival ? ____
④Is there a letter for me ? ____
⑤Do you miss China ?____
A. Yes, there is . B. It’s the Lantern Festival. C. Sometimes.
D. Yes, I have. E. We carry flags and we sing songs.
答案(点此获取答案解析）
D,E,B,A,C
6.
4C（单位）。则该生物肝细胞的染色体上含有的基因数和DNA含量为 （ ）