工人操作机械时穿着的“三紧”工作服是指哪“三紧”?
参考答案:
袖口紧、领口紧、下摆紧。
根据首字母的提示,填入句中所缺单词。
1. Whose school bag is heavier, yours or m ?
2. Which s do you like best? I like spring best.
3. I like w , because I can make snowmen.
4. C is coming. I' ll get presents from my parents.
5. Look at the flowers. How nice ! You need a v .
下列除哪项外,均是虎杖的功效()
A.利胆退黄
B.清热解毒
C.活血祛瘀
D.杀虫止痒
E.祛痰止咳