2017--2018学年人教版必修三unit 5 Canada - the true north grammar课时作业
2017--2018学年人教版必修三unit 5 Canada - the true north grammar课时作业第3页

  C.learn to use Chinese money

  D.fetch some money and instructions

  6.What would the students in the Stellenbosch program do?

  A.They would work in the library as a librarian.

  B.They would teach basic computer skills to little kids.

  C.They would take care of little kids in the day care centers.

  D.They would study computer skills together with young adults in the library.

  7.From Paragraph 4 we can learn that Hillary Kinsey________.

  A.is willing to help improve education and development in South Africa

  B.knows everything about the history and recent development of South Africa

  C.created a non­profit organization to learn more about South Africa's culture

  D.created a non­profit organization to improve America's education and development

  8.Which of the following would Mark Lenhart most probably agree with?

  A.International students can easily get along well with their local roommates and benefit from this experience.

  B.It is OK for international students to communicate in simple Chinese with the help of body language.

  C.Speaking a foreign language fluently makes international students find jobs more easily.

  D.International students should choose students from the same culture as their roommates.

  C

  

  For many years, people have been searching for a way to linger longer beneath the sea. Today, we have much more advanced equipment to allow people to stay underwater for long periods of time. Scuba and snuba are two ways that people can "breathe" underwater.

  Scuba and snuba divers both breathe air from tanks. Tubes from the tank deliver air to the diver's mouthpiece. The difference between these two methods is where the tank is located. A scuba diver carries the tank on his or her back while swimming. By carrying the air supply, the scuba diver swims freely and can go hundreds of feet deep. With snuba, the swimmer does not wear the air tank. Instead, the tank stays on a raft (筏子) on the water's surface. A twenty­foot tube brings the air from the raft tank to the swimmer's mouthpiece. The snuba swimmer can breathe underwater, but he or she is always attached to the raft and can only swim twenty feet deep.

A scuba diver has the underwater freedom, but that freedom comes with a cost. Scuba divers carry equipment that weighs 60 to 75 pounds. Learning how to use this equipment requires a lot of training. A