The Pakistani military says 26 people ______ when a helicopter crashed near the Afghan border.
A.are killed B.killed C.were killed D.have killed
The word "amusia" underlined in Paragraph 2 means a disease with which people ______ .
A.are impotent in music
B.can't hear music
C.are unable to sing Happy Birthday
D.are mentally deficient
Where are the two speakers?
A.Ar home.
B.In a store.
C.At a bus stop.
The developing countries threaten to block further liberalization because they ______.
A.are now conspiring to keep their markets closed
B.want their problems and complaints to be dealt with first
C.cannot afford to deliver benefits in agriculture and textile
D.want no obligations in intellectual property and anti-dumping
A.AR技术
B.MOOC技术
C.语音评测技术
D.大数据技术