具有免疫记忆功能的细胞是
A.NK细胞
B.巨噬细胞
C.T细胞
D.中性粒细胞
E.B细胞
参考答案:C
用所给单词的适当形式填空。
1. We ___(play) football yesterday afternoon.
2. We should keep ___(diary)every day.
3. He invited me ___ (go) to a movie.
4. Do you know the girl ___ (name) Mary?
5. He wants her daughter ___(be) a nurse.
6. Our teachers told us (finish) homework on time.
宽阔的水面,水势浩大,水面泛起的浪花如梅花盛开,气象万千。晴天淡泊宁静,雨天烟波浩渺,风气黛浪奔腾,云涌轻烟曼舞。这是说的哪个景点?