第一节:单项填空(共15小题;每小题1分,满分15分)
21.If you want to study nature of universe, first of all, you must be clear about the origin of it.
A.不填;the B.the;不填 C.the ; the D.不填;不填
22.-Excuse me, could you tell me the way to Tianfu Square?
-Sorry, I’m a stranger here.
-___________.
21.If you want to study nature of universe, first of all, you must be clear about the origin of it.
A.不填;the B.the;不填 C.the ; the D.不填;不填
22.-Excuse me, could you tell me the way to Tianfu Square?
-Sorry, I’m a stranger here.
-___________.