如果自己先吃完饭,要与父母或其他长辈打声招呼后再离开座位。比如说:“奶奶,您慢慢吃。”或者说“大家请慢慢吃”等,不能放下碗筷一句话不说就离开餐桌,
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完形补文 2(第41〜50题,每题1. 5分,共15分)下面的短文有10处空白,每处空白后的括号内有一个词,请根据短文内容将其正确的 形式填入文中,以恢复文章原貌,幷将答案写在答题卡相应的位罝上。Be GratefulWhether you are a waiter (wait) or a doctor, your job is about serving others and making their life better, We have all __41__ (have) experiences where someone __42__(work) in their job has lifted us up and made a __43__(different) to our day or brought us down and made our day worse. We have all met __44__ (real) wonderful people cleaning floors. We have also met people who are not so wonderful but have __45__ (amaze) jobs. So whatever you do, be grateful. This doesn't mean you have to stay in a job you don't like, but it __46__ (help) you develop a more positive attitude. You may not like your job, but you can enjoy being with your __47__ (colleague). This is something to be __48__ (thank) for. When yon practice __49__ (grateful) it allows you to develop a more useful outlook and be __50__ (happy) at your work.
溶组织内阿米巴的致病阶段应为
A. 包囊期
B. 包囊和滋养体期
C. 滋养体期
D. 囊包期
E. 卵囊期
急性肠阿米巴病的常用病原学诊断方法
A. 粪便生理盐水直接涂片法
B. 粪便涂片碘液染色法
C. 粪便浮聚法或离心沉淀法
D. 直肠乙状结肠镜检查
E. 脓肿穿刺物检查
发生“旅游者腹泻”的原因是感染下列哪种寄生虫
A. 隐孢子虫
B. 结肠内阿米巴
C. 蓝氏贾第鞭毛虫
D. 疟疾
E. 杜氏利什曼原虫