单项选择题

A. Accurate communication is of utmost importance.
B. Pilots should be able to speak several foreign languages.
C. Air controllers should keep a close watch on the weather.
D. Cooperation between pilots and air controllers is essential.
<上一题 目录 下一题>
热门 试题

单项选择题
A. File a lawsuit against the man.B. Ask the man for compensation.C. Have the man’s apple tree cut down.D. Throw garbage into the man’s yard.
A. File a lawsuit against the man.
B. Ask the man for compensation.
C. Have the man’s apple tree cut down.
D. Throw garbage into the man’s yard.
单项选择题
A. Packing up to go abroad. B. Brushing up on her English. C. Drawing up a plan for her English course. D. Applying for a visa to the United States.
A. Packing up to go abroad.
B. Brushing up on her English.
C. Drawing up a plan for her English course.
D. Applying for a visa to the United States.
相关试题