A:体节
B:刚毛
C:鳃部
D:环带
It was only after he had read the papers ________ Mr. Gross realized the task before him was extremely difficult to complete.
如图所示,A弹簧测力计对B弹簧测力计的拉力和B弹簧测力计对A弹簧测力计的拉力关系是____,如果A弹簧测力计的示数是3.6N,则B弹簧测力计的示数是____ N.
如图为“印度孟买气温曲线图和降水量柱状图”,从图中可知( )