单项选择题：现代企业主要管理资源中的无形资源指（）。A.人力资源 B.原材料资源 C.资本资源

题型：完形填空

In China, more and more middle school students are getting sleeping time than before.Most students sleep less than 8 hours every night they have too much homework to do. Some homework is given by their teachers. And some by their .Also , some students don’t know how to save time, they are not enough while they do their homework., so they make many mistakes, and it takes them a lot of time. Some students_ too much time watching TV programs or playing computer games. They very late. Some students have to get up early every morning on weekdays to get to school on time bus or bike. It can be a time from home to school.
School and parents should cut down some of the so that the children can enjoy more than 8 hours of sleep every night for their health. As we all know ,children are our country’s .They should be well cared for.

小题1:

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题型：实验题

甲同学欲配制100 mL 3.6 mol/L的稀硫酸。

(1)若采用18 mol/L的浓硫酸配制该溶液，需要浓硫酸的体积为________mL；所选用容量瓶的规格为________mL。

(2)甲同学的配制步骤：量取浓硫酸，小心地倒入盛有少量水的烧杯中，搅拌均匀，待冷却至室温后转移到容量瓶中，用少量的水将烧杯等仪器洗涤2～3次，每次洗涤液也转移到容量瓶中，然后小心地向容量瓶中加水至刻度线定容，塞好瓶塞，反复上下颠倒摇匀。

①洗涤操作中，将洗涤烧杯后的溶液也注入容量瓶，其目的是________。

②定容的正确操作是继续加蒸馏水至离刻度线下________时，改用________加水至液面与刻度线相切。

③用胶头滴管往容量瓶中加水时，不小心液面超过了刻度，处理的方法是________(填字母序号，下同)。

A．吸出多余液体，使凹液面与刻度线相切

B．小心加热容量瓶，经蒸发后，使凹液面与刻度线相切

C．经计算加入一定量的浓硫酸

D．重新配制

(3)配制时下列操作会导致所配溶液浓度偏高的是________。

A．转移时有少量溶液溅出

B．定容时俯视读取刻度

C．容量瓶用蒸馏水洗净后未干燥

D．定容时液面超过了刻度线

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题型：选择题

Miss Green has _______ free time than Mr Green. She is busy all day.

A．much

B．less

C．more

D．fewer

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题型：单项选择题

( )是一种主动的具有预防作用的维修策略，是物业管理应提倡的主要维修养护方式。

A．紧急抢修
B．预防性维修
C．事后维修
D．大、中修

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题型：问答题简答题

什么是表演游戏？联系幼儿园实际，谈谈教师应如何指导幼儿的表演游戏？

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现代企业主要管理资源中的无形资源指（）。A.人力资源 B.原材料资源 C.资本资源

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