与抗代谢物5-FU化学结构类似的物质是
A.腺嘌呤B.胸腺嘧啶C.次黄嘌呤D.叶酸E.尿嘧啶
参考答案:B
阅读短文,作判断,用“T”或“F”表示:
It is Saturday today. Tom has no lesson. Tom and his father are on a bus now. They are going
to the supermarket. On the bus, Tom meets his uncle Henry, his aunt Ann and their son Tony. Tom
says hello to them. They are going to the zoo. Tony wants to see the animals in the zoo. He likes
animals. He says he can see many animals there. At the bus stop they say goodbye.
( )1. It is Saturday tomorrow.
( )2. Tony is Tom’s brother.
( )3. Tom’s uncle is going to the supermarket.
( )4. Ann is Tony’s mother.
( )5. Henry is on the bus, too.
( )6. There are no animals in the zoo today.
根据法律规定,下列可免征个人所得税的是( )。
A.学生甲勤工俭学获得收入4000元B.乙购买财产保险,因财产损失获得保险赔款20万元C.残疾人丙因急需治病而将自己的房产转让所获得收入30万元D.运动员丁因荣获奥运银牌而得到的籍贯所在地人民政府颁发的奖金30万元