下列选项中，诊断猪囊虫病最可靠的依据是：（）
A．嗜酸性肉芽肿
B．上皮样肉芽肿
C．纤维结缔组织包绕的囊肿
D．具有钩和吸盘的头节
参考答案：D
用所给词的正确形式填空，完成句子。
l. Today is February (fifteen).
2. I (eat) the ice cream yesterday.
3. I wanted (fly) a kite, but it (be) too hard.
4. I hurt (I) arm and Jenny helped (I).
5. You were (sleep) on the train.
属阴的事物是（）
A.左
B.外
C.寒
D.静
E.动
