—How do you arrive there?
—By plane. [ ]
A. in
B. at
C. on
D. ／
答案：D
— ________ are you, Bella?
—I'm 1.5 metres tall. [ ]
A. How tall
B. How many metres
C. How
D. How long
除哪项外均为不寐的病因：
A．情志所伤
B．饮食不节
C．外邪侵袭
D．素体虚弱
E．心虚胆怯
