天津的“四大名旦”指的是哪四位演员？

阅读理解。

      Wang Xiaojun is 12 years old. He lives in the country in Hubei. Today is his birthday. His parents prepare a

nice dinner for him, but the boy says,"I won't have the dinner because after the dinner, today is over, and my

parents are leaving for Shenzhen tomorrow. I don't want to let them go." Wang Xiaojun spends the birthday

with his parents for the first time in three years. Three years ago, his parents went to Shenzhen to work. They

stayed and worked there to make money. Tomorrow they have to leave home to go to Shenzhen. Wang is not

the only stay-at-home child. In the country of China, there are many children staying at home without (没有)

their parents. Stay-at-home children have a lot of problems. Many of them stay with their grandparents. They

don't get enough care from parents. Some of them don't study well because their parents can't help them with

their study. The Chinese government (政府) now cares about those children very much and is trying to solve (解决) their problems.

根据短文内容,判断正(T)误(F).

( )1. It is Wang Xiaojun's first birthday.

( )2. Wang Xiaojun won't have the birthday dinner because he is not hungry at all.

( )3. There are many stay-at-home children in the country of China.

(     )4. Xiaojun's parents will take him to Shenzhen.

( )5. The Chinese government is doing something to solve the problems of the stay-at-home children.

根据下图，从下列选项中找出正确的食物链表述。

A．水稻→稻田害虫→螃蟹

B．阳光→水稻→稻田害虫→螃蟹

C．水稻→稻田害虫→螃蟹→细菌、真菌

D．阳光→水稻→稻田害虫→螃蟹→细菌、真菌

对于品种单一、运输量较大、鲜活易腐烂的商品，适宜采用（）。

A.“四就直拨”运输

B.合装整车运输

C.直达运输

D.直线运输

我国近期在南海海底发现了一种俗称 "可燃冰"的冰块状天然气水合物，能源总量可达全国石油总量的一半，燃烧1m³，可燃冰释放出的能量与燃烧164m³天然气释放的能量相当，由此可判断"可燃冰"[ ]

A.具有较高的内能

B.具有很高的化学能

C.只有燃烧时才有内能

D.没点燃时只具有化学能

《供电监管办法》规定，供电企业不得（）电价，不得擅自（）电价，不得擅自在电费中（）或者（）国家政策规定以外的其他费用。