本人采用韭菜、菠菜、牛皮菜、水葫芦、巴蕉叶等材料进行了“用高倍镜观察叶绿体”的对比实验,发现红薯叶和菠菜是比较理想的实验材料。上述材料的优点、缺点分别如下。a.红薯叶:它的优点是取材容易。选取绿色的红薯叶,用刀片在上表面横切一刀,用镊子从此处撕下上表皮做成装片, I used leeks, spinach, kale, water hyacinth, banana leaf and other materials for the “high-power microscope to observe the chloroplasts,” comparative experiments, found that sweet potato leaves and spinach is an ideal experimental material. The advantages and disadvantages of the above materials are as follows. a. Sweet potato leaves: Its advantage is that it is easy to draw. Select the green sweet potato leaves, cut a knife on the upper surface with a blade, tear off the upper skin from here with a tweezers, and make a load.