问题 选择题

下列人类活动中,有益于保护生物圈的是(  )

①绿化荒山,植树种草    

②要致富,砍大树   

③若想吃得好,就吃蛙蛇鸟  

④见毒蛇就打死它   

⑤退耕还林      

⑥提倡“免赠贺卡”、“少用一次性木筷”

A.①②⑥

B.①⑧④

C.①⑤⑥

D.①④⑤

答案

绿化荒山,植树造林,防风固沙,绿色植物通过光合作用吸收二氧化碳,放出氧,有益于改善生态环境,建造一个鸟语花香的生态家园;树木能够调节气候,改善生态环境,大量砍伐树木,只能破坏环境; 因此,要致富,砍大树,是错误的做法;蛙蛇鸟是野生动物,动物是人类的朋友,根据野生动物保护法,我们应该保护这些动物,维护生态环境的稳定,而不能吃它们; 毒蛇也是一个物种,我们要保护生物多样性,不能见毒蛇就打死它;一次性筷子的使用,要耗费大量的木材,不利于生态环境的保护;故答案为:故选C

单项选择题
阅读理解

B

Wild Blue is a none-of-a-kind, geography-oriented exploration and adventure center for children aged 3 through 10.Our mission is to immerse(使沉浸于)children and their families in experiences that relate to the people,places and natural elements of the wonderful planet we live on.All our programs are developed and led by our own world-class team of explorers and educators.The following is a brief introduction to some of our classes:   

Global Kitchen

All over the world,people gather together to share meals.In this class, children will learn about the cuisine of a foreign country or region while they create a delicious snack. Recipes will be kid-friendly, and use ingredients(原料)from the country of origin.Your child will learn healthy,easy-to-create recipes he can bring home to share!

Documentary Filmmaking

This 50-minute video documentary film class is specially designed for our 6and 7 years old explorers.Classes will concentrate on the basics of visual storytelling and include subject discovery, story development, storyboard, filming,editing and presenting.Participants will work as a team to produce their own documentary, which will then be screened for friends and family at the course’s conclusion.

Exploring the Wonders of Earth

Designed specifically with our youngest explorers in mind, this semester-long program will expose your child to a wide variety of exciting scientific events that occur on our planet,from chocolate melting,to volcanoes erupting,to seeds sprouting.Through this course children will begin to develop an awareness of the science that makes the earth a marvelous place.

A World of Arts and Crafts

Whether you are seeking to simply extend your child’s time at Wild Blue or looking for a favorite pastime,we offer our own unique version of arts and crafts.Focusing on using found objects,this course encourages children to draw creative inspiration from cultures around the world.This course is available,upon request, as an additional class in your child’s schedule.

55. The passage is mainly about ______.

A. an interesting exploration to the outer space

B. various tips on how to explore

C. an exploration program designed for children

D. a vivid description to an exploring experience

56. In the “Global Kitchen” class, children will _____.

A. learn to create a delicious snack of his own country or region

B. focus on learning complex recipes

C. enjoy the food over the process of making

D. mainly use ingredients that are unpolluted and good to children’s health

57. Those who sign up for thedocumentary filmmaking class     .

A. should be children with advanced filmmaking ability

B. can do filmmaking with his partner as wellas his families

C. can work both individually or as a pair

D. will present their works in the end

58. If one parent intends to develop his child’s love for science, which course can he take?

A. Global Kitchen                      B. Documentary Filmmaking

C. Exploring the Wonders of Earth D. A World of Arts and Crafts