以昆虫为媒介传播的疾病是（）
A.麻疹
B.水痘
C.百日咳
D.流行性乙型脑炎
E.脊髓灰质炎
参考答案：D
解析：麻疹主要通过喷嚏、咳嗽和说话等飞沫传播，密切接触者亦可经污染病毒的手传播；水痘通过接触或飞沫传染；百日咳是通过飞沫传播，家庭内传播较多见；流行性乙型脑炎以蚊子等昆虫为主要传播媒介，带乙脑病毒的蚊虫经叮咬将病毒传给人或动物；脊髓灰质炎是以粪-口感染为主要传播方式，鼻咽分泌物在病初数天也可以带病毒，因而也可以通过飞沫传播。根据题干描述，第1题选D，第2题选E。
One day Jack broke his mother’s mirror. When she saw the broken___41___ she cried. “Jack, you are too careless and because of that, father is going to punish you.” “I’m too angry to ___42___ him a beating now,” said Jack’s father as he examined the broken mirror, “I’ll do it after supper.” When supper was over, his father took ___43____ to the garden. “I’m going to ___44___ a branch that is just the right size,” he said. They looked everywhere but found___45___. Then Jack had ___46___. “Father, I think your walking stick will be just __47____.” “Yes, that’s a good idea. Now come along to my room and we’ll try it.” Up in his room Jack’s father took ___48___ his coat. Jack was __49____. But to Jack’s great surprise, his father turned to his bed and hit it again and again with the walking stick. He hit it like this for a while and then stopped. “Well, I think that’s enough,” said his father. “You must be careful in future. You will be a good boy, won’t you?” Jack __50____ he would be and never forget it because it was such an unusual punishment.
|