在生物的个体发育中,一个受精卵能发育成复杂的生物体.生物体之所以复杂,主要是下列 发布时间:2017-05-22 12:52 │ 来源:www.tikuol.com 题型:选择题 问题: 在生物的个体发育中,一个受精卵能发育成复杂的生物体.生物体之所以复杂,主要是下列哪一生理过程在起作用( )A.细胞的成熟B.细胞的分化C.细胞的生长D.细胞的分裂
题型:选择题 Reading comprehension. Mary and Tom go to the West City Supermarket to do some shopping. Here are the prices of the thingsin the supermarket and their shopping lists. AppleRiceBananaCanada ¥3 each Japan ¥60/bag Thailand ¥10/kg China ¥2 each Australia ¥49/bag USA ¥12/kg USA ¥4 each Thailand ¥45/bag China ¥8/kg ButterSteak (牛排)MilkAustralia ¥13/box USA ¥30/kg USA ¥6/box New Zealand ¥12/box Australia ¥45/kg New Zealand ¥5/box Japan¥15/box Japan ¥60/kg China ¥3/box Mary's shopping list: 4 apples; 1 bag of rice; 1 box of butter; 2 boxes of milk; 1kg of steak; 3kg of bananas Tom's shopping list: 1 box of butter (Australia); 1kg of steak (Australia); 3 apples (Canada); 2kg of bananas (Thailand) (泰国) 1. At first Mary wants to buy the things from China. She can only buy ______ from this supermarket. [ ]A. rice, apples and butter B. milk, bananas and steak C. apples, bananas and milk 2. From the passage we know Mary buys from Australia. [ ]A. apples; rice and butter B. rice, butter and steak C. butter, steak and apples 3. How much does Mary pay for the things from China and Australia? [ ]A. ¥105.B. ¥145. C. ¥135. 4. How much does Tom pay for the things? [ ]A. ¥88. B. ¥80. C. ¥87. 5. Which of the following is NOT true? [ ]A. Rice and banana from Thailand are the cheapest. B. The prices of the things from Japan are the highest. C. Tom and Mary bought the same kinds of fruit in the supermarket. 查看答案
题型:选择题 一早产儿,女,年龄4天。出生体重1800g,体温35℃。以下哪项处理措施不妥()。A.及早使用抗生素B.置温箱中保暖C.保持呼吸道通畅D.严格执行消毒隔离制度E.输液过程应注意控制滴速 查看答案
题型:选择题 某企业2013年12月31日"无形资产"科目余额为10000万元,"累计摊销"科目余额为3000万元,"无形资产减值准备"科目余额为500万元。该企业2013年12月31日资产负债表"无形资产"的项目金额为()万元。A.6500B.7000C.9500D.10000 查看答案
题型:选择题 关于飞机气源系统位置叙述不正确的是()A.发动机引气系统位于发动机及支撑吊架内B.APU引气管在隔离活门左侧和气源导管相接C.APU引气管在隔离活门右侧和气源导管相接D.地面勤务接头在隔离活门右侧和气源导管相接 查看答案