胃肠造影属于哪种检查方法
A.自然对比检查方法
B.人工对比检查方法
C.人工自然对比方法
D.三者都是
E.三者都不是
参考答案:B
用适当的介词填空。
1. I was invited _______ Mary's birthday party last week.
2. If you want to go to another country, you should first know _______ the country.
3. There's no similar expression _______ "manman chi" _______ English.
4. _______ the start of a meal, the Chinese like to ask the guest to eat well.
5. Soup is usually eaten _______ a spoon.
下列会计账户中,反映流动负债的账户有( )。
A.预收账款
B.预提费用
C.应交税费
D.应付职工薪酬
E.应付债券