如果经济运行处在低谷时的经济增长为负增长,即经济总量GDP绝对减少,这一经济周期称为( )。
A.增长型周期
B.下降型周期
C.古典型周期
D.现代型周期
参考答案:C
已知小娟家的地板全由同一形状且大小相同的地砖紧密地铺成,若此地砖的形状是一正多边形,则下列不可能是此地砖的形状的是[ ]
A、正三角形
B、正方形
C、正五边形
D、正六边形
Directions: For this part, you are allowed thirty minutes to write a letter. Suppose you are Zhang Ying. Write a letter to Xiao Wang, a schoolmate of yours who is going to visit you during the week-long holiday. You should write a t least 100 words according to the suggestions given below in Chinese.1.表示欢迎2.提出对度假安排的建议3.提醒应注意的事项