Giải thích: discourteous (adj): bất lịch sự
impolite (adj): bất lịch sự polite (adj): lịch sự
unacceptable (adj): không thể chấp nhận được rude (adj): thô lỗ
=> polite >< discourteous
Tạm dịch: Thật là bất lịch sự khi hỏi của người Mỹ những câu hỏi về tuổi, hôn nhân hoặc thu nhập của họ.
Đáp án: B
The only means of access to the station is through a dark subway.
That is a well-behaved boy whose behaviour has nothing to complain about.
If we use robots instead of humans, many people may be out of work.
I think it’s impossible to abolish school examinations. They are necessary to evaluate
students’ progress.
The council has spent an enormous amount of money on this project.
Travel insurance is sometimes mistaken for temporary health insurance, but the two are actually different.
They are launching a campaign to promote awareness of environmental issues.
The government is being widely criticized in the media for falling to limit air pollution.
He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.
No one knew precisely what would happen to human being in space.