()是溶组织内阿米巴的感染型,()是溶组织内阿米巴的致病型。
参考答案:包囊;大滋养体
一本书有162页,第一天小明看了35页,第二天看了45页,两天后剩下多少页?
用适当的词填空
I’m looking forward to seeing my daughter and her daughter, my granddaughter.
I’m going to visit 1 in China because it’s my granddaughter’s birthday. I’m going to 2 the plane to Beijing because they live there. We are going to do some sightseeing because we like Chinese 3 . We’re going to visit the Forbidden City and 4 we are going to walk 5 the Great Wall.