单项选择题 Describe the process of making dumplings. Here the connective markers have already been provided, but you can change them if you wish. Words for reference 名词 ：dumpling (饺子) fillings(馅) leek (韭菜) spring onion (小葱) flour (面粉) dough (面团) 动词：blend (混合) ferment (发酵) fold sth into （把....拌入） roll sth flat (把.....滚平) wrap up (包起来) bring water to the boil (煮沸) chop (剁碎) mince (剁碎，切碎) Struture: Today, I"m going to show you how to make dumplings which is indeed the most favored traditional food to us Chinese and some foreigners alike. The step involves____________________________. After this,__________________________________. Now, once________________________________, you should start ___________________. Following this stage, _____________________________. Then, ________________________________________. Now that I"ve told you how ________________________, I"ll move on to_________________ (You can add more steps if you wish) By following these few simple steps, you can make delicious dumplings and enjoy a sit-down meal with the ones you love.

单项选择题 下面句子标点符号使用正确的一项是（）

未知题型 磷酸甘油氧化酶法测定血清胆固醇时，维生素C、谷胱甘肽、尿酸可引起正偏差。