疟疾的感染类型中引起临床发作是（）
A.速发型小孢子
B.迟发型小孢子
C.裂殖子
D.配子体
E.囊合子
参考答案：C
回答下列问题：
用光学显微镜观察细胞，可以看到细胞核。细胞核的功能可概括为：（）。
根据句意、汉语或首字母提示，补全单词，完成句子。
1. After I have____(折叠)my shirts and under clothes, l set off.
2. Have you bought a new t____ for bathing?
3. These plants and flowers need to____(浇水)quite often.
4. The pavilion is made of w____ and it looks very wonderful.
5．The____(农场)was owned by two brothers, Joe and Bob Cox.
