A、which.
B、since.
C、that.
D、what.
第1题:
A、地图超出HIS的显示范围
B、TCAS超出HIS的显示范围
C、气象雷达超出HIS的显示范围
第2题:
39___________
A.written
B.suffered
C. observed
D.lost
第3题:
______ in the strange city, the poor boy fell to
A. Lost... crying
B. Lost... cry
C. Having been lost... cry
D. To lose... crying
第4题:
A.missing
B.lost
第5题:
Why did the professor study the Brazilian students' behavior?
A. He felt puzzled at the students' being late.
B. He felt angry at the students' rudeness.
C. He wanted to make the students come on time later.
D. He wanted to collect data for one of his studies.
52.答案为A 从第一段美国教授在巴西的经历可看出,他对巴西学生的表现很困惑,因此A为最佳选项。
第6题: