【简答题】Sales reached a peak in the middle of the quarter in 1990 before decreasing slightly, whereas in 2000 sales fluctuated throughout the quarter.
【单选题】—Can you tell me _______? —She is in the computer lab. [ ]
【单选题】形成星光效应的宝石必须具备的条件之一是:
【单选题】Wher e do you want to go? ____________
A.
I think you can go anytime.
B.
It all sounds really exciting.
C.
What would you like to know?
D.
Why don ’ t we spend a morning in the park?