从下面方框中选择适当的词填入短文中，使短文通顺正确（注意有些词要用适当的形式）。方框中有两个多余的词。

Last Sunday my brother and I went fishing. We got up very early that day. When we小题1: __________ home,the moon could still be seen in the sky. The morning air was cool and Ifelt wind on my lace. This made us very comfortable. We laughed and talked小题2:__________ the way while we were riding our 小题3:__________. By about six we were already sitting by theriver. Fishing is not easy. If you want to be 小题4: __________, you must be very careful. Thatday we had another good catch. We caught a lot of fish and enjoyed ourselves very much. It was latewhen we got home. We fell a little tired小题5: __________ happy. Fishing is a very good sport.I like it very much.

土中各个土粒粒组的相对含量可通过现场剪切试验得到。