属于细菌性食物中毒,由肉毒梭菌毒素引起的临床症状表现为() A.急性胃肠炎 B.出血 发布时间:2017-05-07 16:11 │ 来源:www.tikuol.com 题型:单项选择题 B1型题 问题: 属于细菌性食物中毒,由肉毒梭菌毒素引起的临床症状表现为()A.急性胃肠炎B.出血性肠炎C.急性菌痢D.肌肉麻痹E.急性腹泻
题型:单项选择题 B1型题 完形填空。 The most important match was held yesterday afternoon.That was the last match in the league (联).Until yesterday our team had played very well almost won 1 game this year. The match was 2 the team from No.64 Middle Schooland ours.We 3 a little afraid of them because their team almost as strong as our team. 4 we would do our best and we were sure that we would win. Before the match, our teacher told us not to 5 ; we should pass the tall often and play together. The match began. Some of their players werehard to 6 when they got the ball. Soon one oftheirplayers kicked a goal. Though we were a little 7 , we played harder and harder. Liu Dong, oneof the 8 players in our team, got the ball. We kept passing it to each other and we played so welltogether that they couldn't get the ball. Soon we kicked a goal. We continued passing the ball to each other 9 they couldn't get it easily.Soon wekicked another Finally we beat them4:2.We were at the 10 of the league.( )1. A. all ( )2. A. among ( )3. A. made ( )4. A. And ( )5. A. worry ( )6. A. pull ( )7. A. happy ( )8. A. well ( )9. A. such that( )10. A. top B. some B. between B. had goalB. Because B. fall B. win B. fast B. best B. even if B. member C. every C. in C. took C. But C. move C. stop C. busy C. better C. so thatC. record D. no D. about D. felt D. Though D. talk D. see D. behind D. small D. after thatD. host 查看答案
题型:单项选择题 B1型题 下图为用显微镜观察人血的永久涂片时看到的图像,根据观察回答问题。 (1)观察时要将显微镜的光圈___________,使视野_________。(2)视野中数量最多的是[ ]______;有细胞核的是[ ]_________;两者在结构上的区别是_______。(3)人从平原来到高海拔地区,血细胞中数量明显增加的是[ ]_________,这样可有更多的_______来运输氧,以满足身体对氧的需求。 查看答案