Listen to a passage and choose the best answer from the four choices provided for each question.
A. Climbing trees to cut some branches for people.
B. Planting trees near their village in central China.
C. Helping other people to learn how to plant trees.
D. Seeking opportunities to protect the environment.
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choose the best answer from the four choices provided for each question.
A. The job makes them work very hard.
B. The job helps them live on their own.
C. Both have their physical limitations.
D. Both have to use their feet to do their job.
choose the best answer from the four choices provided for each question.
A. They always think about how to get the work done.
B. They always worry if they can complete their work.
C. They depend on friends’ help and encouragement.
D. They depend on each other to overcome their limitations.
choose the best answer from the four choices provided for each question.
A. They have been offered jobs by many companies.
B. They lost their eyesight due to an accident in 2000.
C. They got injured when they were just three years old.
D. They love the job since it gives them a purpose in life.
在同一竖直面内,目标方向线与水平线的夹角,称为____。
A. 水平角
B. 天顶距
C. 高差角
D. 竖直角
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