- Before you leave the classroom ，please __the lights.
- —Which do you like ______, tea or coffee?—A cup of tea, please.
- There are few _______in the fridge. Let ’s go and buy some peas ，carrots and cabbages.
- I usually walk to school, but ____ bus when it rains.
- 根尖结构中吸收水分的主要部位是()
- Whose eraser is this?--It's ________.
- 参天大树的根部吸收的水，能够达到树冠的顶部，主要的动力来自()
- 对于植物繁衍后代来说，花中最重要的结构是()
- 在研究植物光合作用产物的实验中，把天竺葵放到黑暗处一昼夜的目的是()
- 下列能正确表示光合作用的公式是()
首页上一页61
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159
尾页下一页 置顶