问题
单项选择题
伤寒、副伤寒病首选()
A.复方新诺明
B.氨苄西林
C.庆大霉素
D.链霉素
E.四环素
答案
参考答案:B
伤寒、副伤寒病首选()
A.复方新诺明
B.氨苄西林
C.庆大霉素
D.链霉素
E.四环素
参考答案:B
读对话,选择合适的单词填入横线上,使其成为一段通顺的对话。 | |
B: Thank you, Dad! C: It's ___________ you, Sarah. B: Thank you, Mom. A&C: Let's go to the ___________ and see the animals. B: OK! Let's go! A: Come on, Sarah. Look at the ___________! B: Wow. It's so tall. C: Yes! And it's so funny. A: Look! It ___________ a long nose and a short tail. C: It has small eyes and big ears. B: How lovely! I like it! |