国家开放大学 / 综合英语(3)
正确率:100%
In a migraine headache, the blood vessels of the head first _ _ _ _ _ _ _ _ _ and then dilate and press against the nerves.
A.contact
B.contrast
C.contract
D.connect
A.contact
B.contrast
C.contract
D.connect
参考答案:
佳题速递: