毒扁豆碱是用于催醒、治疗青光眼的药品，其键线式结构如图所示，关于毒扁豆碱的说法正

下列运算正确的是（　　）

A．a³+a³=2a³

B．a³-a²=a

C．a³•a³=2a⁶

D．a⁶÷a²=a³

People have strange ideas about food. In the 18th century, people in the USA g　小题1:　      tomatoes, but they never a　　小题2:        them. They thought tomatoes were d　　小题3:     food. People called them poisonous (有毒的) apples.

Thomas Jefferson was a learned president (有学问的总统) and he knew people in Paris enjoyed the nice  t　　小题4:     of tomatoes. He wanted his people to enjoy tomatoes, but  h　　小题5:      could he change their ideas?

Jefferson grew some tomatoes in his garden. And he  t　小题6:　      his cook to cook tomato soup (汤). Then he held a party. There was  p　　 小题7:    of tomato soup on the table. He invited visitors to try the soup. He wasn’t  s　　   小题8:    when he found all of them liked the soup. Of course, he  n　　小题9:       told them they were eating poisonous apples.

Soon  a　　小题10:      that, more and more Americans loved tomatoes.

根据句子意思，用括号中所给单词的适当形式填空。

1. Our school becomes quiet and _______ (peace) after children leave.

2. Sandy organized a charity show _______ (success) last year.

3. Bill was feeling sad. He told me about his _______ (happy).

4. ______ (sleep) in a blue room is good for your mind and body .

5. Simon just forgot when ______ (meet) his friends

6. Wearing red can help when you are having difficulty ______ (make) a decision.

7. You'd better give up _______ (smoke), it's bad for your health.

8. A year is _______ (divide) into 12 star signs in western countries.

9. Andy is _______ (energy) enough to be a leader.

10. It is silly of you _______ (not forgive) others for their faults.

制作玻晶砖的原料是由（）材料为主。

A.碎玻璃

B.石灰石

C.粘土

D.混凝土

所谓法治政府，就是行政主体按照合法行政、合理行政、程序正当、高效便民、诚实守信、权责统一的要求，行使权力，履行职责，承担责任。法治政府要求政府（）。

A、在法治化轨道上行使行 * * 力

B、做到不越权、不滥权

C、全面履行法定职能

D、做到不缺位、不失职