下面的三角形是用小棒拼成的,根据图形排列的规律,第100个图形要( )根小棒.
A:300
B:299
C:201
D:240
下列叙述中,不是地图基本要素的是( )
—Even some adults are afraid of snakes.
从方框中选择适当的短语,并用其正确形式填空。
at the start of, might be, in the west, such as, as soon as