绿色植物进行光合作用吸收和放出的气体分别是（ ） A．氧气和二氧化碳 B．二氧化

阅读理解。

     Mexico's neighbours are the United States on the north and Guatemala and Belize to the south. Mexico

is about one quarter of the United States. Mexico has more than ninety million people. The language of

Mexico is Spanish. This makes Mexico the world's largest Spanish-speaking country.

     Mexico City is the capital and largest city of Mexico. The city is also very high. It is 7349 feet high

(2240 metres). This makes it one of the highest capital cities in the world. The population (人口) of Iexico

City grows bigger every day. About thirty million people live there. It has more people than any other city

in the world, even more than Tokyo.

     Mexico also has its specialities (特点). Many of the foods we eat started in Mexico. Foods like beans,

maize, avocados, tomatoes, peanuts, chili peppers, vanilla, and chocolate come from Mexico. Mexico is

also famous for its cactus (仙人掌) plants. Mexico has more kinds of cactus than any other country.

1. Mexico is ______ the USA. [ ]

A. on the south of

B. on the north of

C. a part of

D. as large as

2. Mexicans speak ______.[ ]

A. English

B. French

C. Spanish

D. Latin (拉丁语)

3. Which of the following is NOT true? [ ]

A. Mexico City is the capital of Mexico.

B. The population of Mexico City is 30,000,000.

C. Tokyo is one of the cities with the largest population.

D. Mexico City is the highest city in the world.

4. Tomatoes were originally (最初) grown in ______. [      ]

A. America

B. Spain

C. Tokyo

D. Mexico

5. The best title (题目) of the passage is ______. [ ]

A. Mexico City

B. Mexico's plants

C. Mexico

D. Mexico's population

某项在用低值易耗品，原价1000元，预计可使用8个月，现已使用6个月，该低值易耗品的现行市价为1200元，由此确定该在用低值易耗品的价值为（）元。

A.250

B.300

C.750

D.900

一侧下肢完全瘫痪()
双下肢完全瘫痪()
肘关节的稳定性较差时选用()
腕关节伸肌肌力差、腕稳定性较差时选用()

A．两支腋杖步行

B．平台杖

C．有腕关节固定带的前臂杖或腋杖

D．前臂支持片的腋杖或前臂杖

E．一支腋杖步行

根据肿瘤在肺内的发生部位，肺癌肉眼类型可分为（）

A.表浅型和浸润型

B.巨块型、多结节型和弥漫型

C.特发型和家族型

D.中央型、周围型和弥漫型

E.息肉型、菜花型和深部浸润型

船政成立后，经常救援遇险船只。1872年6月25日，英籍夹板船“吞顿”号和“丝马儿”号在台湾基隆港因风遇险，船政（）号轮船前去救助，使其脱险。

A.湄云

B.安澜

C.海东云

D.福星