温度对肌肉的伸展性和粘滞性没有影响。

从方框中选择适当的词,并用其适当形式完成下列短文。

take, thousand, too, surprised, watch, drink, after, ago, eat, discover      Coffee has been a part of people's lives for 1_______ of years, and it is still a favorite 2_______ in the world. Here is a story of coffee about how it was 3________.      The story tells us coffee was discovered in Africa long long 4______.   One day a farmer was 5_________ his goats,   and saw them 6_________ some berries (浆果) from a plant. The goats became very active 7_________ they ate the berries. The man often felt tired, so he decided to try the berries, 8________. To his 9_________, he didn't feel tired any more. Coffee plants were thus discovered.   The coffee was 10________ from Africa to other countries in Europe. After that the famers started to grow coffee plants there, especially in South America. 1__________     2__________     3___________     4____________     5___________ 6__________     7_________      8___________     9____________    10___________

高铁电池是一种新型可充电电池，与普通高能电池相比，该电池能长时间保持稳定的放电电压，高铁电池的总反应为3Zn+2K₂FeO₄+8H₂O

放电

充电

3Zn（OH）₂+2Fe（OH）₃+4KOH

下列叙述不正确的是（　　）

A．放电时每转移3mol电子，正极有1molK₂FeO₄被氧化

B．充电时阳极反应为：2Fe(OH)3-6e-+10OH-=2Fe

O

2-4

+8H2O

C．放电时负极反应为：3Zn-6e^-+6OH^-=3Zn（OH）₂

D．放电时正极附近溶液的碱性增强

下列物质互为同系物的是  [ ]

A．葡萄糖和蔗糖

B．蔗糖和麦芽糖

C．乙醛和丙醛

D．乙醇和丙三醇

科学发展观是指导我国社会主义现代化建设的崭新理念，它的基本内涵包括( )。

A．发展必须全面

B．发展必须协调

C．发展必须可持续

D．发展必须坚持以人为本

离婚