沙眼依原体患者感染新生儿的最常见途径是A．宫内感染 B．产道感染 C．剖宫产感染 D

In every language, there are words or phrases that have some interesting stories behind them. The word “sandwich”, for example, is very common in English. If we want to know the story behind it, we must know something about an English nobleman (贵族) called Sandwich.

Sandwich lived in the 18th century. He liked to play cards for money. He often played for twenty four hours, and not even stop to have his meal. He ordered his servants to bring some meat and bread, and he played while eating. He put the meat between two pieces of bread, and he held the food in his left hand while he played with his right hand. People liked Sandwich’s idea and began to eat bread and meat in this way.

From the name of the man Sandwich, we have the word “sandwich” today.

1 Sandwich is very popular food today, which comes from ____ .

A. a man’s name    B. people’s idea      C. a servant’s name D. a nobleman’s play

2 What did Sandwich play cards for?

A. Pleasure.    B. Living.       C. Food.  D. Pounds.

3Which of the following can best explain the reason why Sandwich did not stop to have his meals?

A. He played cards with his right hand.

B. He put the meat between two pieces of bread.

C. He played cards for twenty four hours.

D. He played cards while eating.

4 The best title for the passage should be “____”.

A. How Sandwich Played Cards

B. How the Word “Sandwich” Came into Use

C. A Bright Idea

D. An Interesting Story

观赏植物生长的环境条件主要是：温度、（）、水分、土壤、空气、养分。

下面的式子中，( )是方程。

A．45÷9=5
B．y+8
C．x+8＜15
D．4y=2

根据我国《合同法》的规定，致使合同无效的情形有（）。

A.以合法形式掩盖非法目的

B.因重大误解订立合同的合同

C.恶意串通，损害国家、集体或者第三人利益

D.一方以欺诈、胁迫的手段订立合同，损害国家利益

材料一目前，中国核技术已广泛应用于工业、农业、医学、资源、环境、公共安全、科研等诸多领域，有些领域达到国际先进水平，社会和经济效益显著。面对风云变幻的未来世界，面对霸权主义的威胁，为保障国家安全、维护世界和平、中国必须保持和发展有效的核力量。材料二日本福岛核电站事故，让人们谈核色变。2011年6月11日，日本各地策行了以“6.11去核电站百万人大行动”为口号的集会游行。

我们怎样才能使核能为人类造福而不再被滥用？