圆的半径由4厘米增加到7厘米,面积增加了[ ]
A.9平方厘米
B.33平方厘米
C.33π平方厘米
答案:C
The driver turned his car sharply to the left to give the way to the running bull only _________ a tree by the road.
A.to knock into
B.knocking down
C.to knock at
D.knocked over
在Excel单元格中输入=100>98,按回车后,此单元格显示的内容为______。
A.FALSE
B.=100>98
C.TRUE
D.100>98