请问常用于餐具洗涤及炉台卫生的化学用品有哪几种？
参考答案：
1）珠滴
2）强力碱
3）干燥剂
4）涤坦
5）炉灶清洁剂
结扎颈外动脉的部位是（）
A.甲状腺上动脉起始处
B.舌动脉起始处
C.颌外动脉起始处
D.颌内动脉起始处
E.面横动脉起始处
The young man dove into the cold water to________the drowning boy.Everyone was proud of him.[ ]
A．carry
B．rescue
C．judge
D．forecast
