设a和b均为双精度型变量，且a=5.5、b=2.5，则表达式(int)a+b/b的值是()。
A. 6.5
B. 6
C. 5.5
D. 6
We know from the text that______.
A. Frank couldn't decide which car to buy.
B. Frank liked the small car better than the large one.
C. Frank thought his old car was the best.
Why didn't Frank buy the large car？
A. It wouldn't last longer than his old car.
B. It might be too fast for him.
C. It was too expensive.
【B4】
A. nervous
B. anxious
C. uneasy
D. calm
微信支付 
支付宝支付