抗原决定簇是
A.决定Ag特异性的最小化学基因B.抗原受体C.抗原配体D.半抗原E.完全抗原
参考答案:A
Everybody has a home. We people have homes,animals have homes,too.
Some animals live under the ground. The woodchuck(土拨鼠) lives in holes(洞) under the ground. His home has two doors. If anybody comes in one door, he goes out from the other door. Some birds live in nests(鸟巢) and trees. They come out for food in the day and go back to sleep at night. But many birds just live in the trees. Bees(蜜蜂) work hard to make their homes. There are many,many little rooms in their house... Cows(奶牛) ,sheep(羊) and chicks (小鸡)live in people’s homes. And that is called farm.
We see all kinds of animals in the zoo. It’s a big home for lots of animals.
小题1: have homes.
A.Everybody
B.Woodchucks and bees
C.Bees and birds
D.People and animals小题2:A woodchuck’s home has doors.
A.one
B.two
C.no
D.some小题3:Birds live .
A.in holes
B.under the ground
C.on the farm
D.in nests and trees
在指定文件夹下打开文档WT03A.DOC,其内容如下: [文档开始] 二级报考科目 级别 科目 二级 二级 C 二级 二级 Visual FoxPro 二级 二级 Visual Basic 二级 二级 Access 二级 二级 Java 二级 二级 Delphi [文档结束] 按照要求完成下列操作: (1) 将标题段(二级报考科目)设置为四号、黑体、加粗、居中;将文中后7行文字转换为一个7行2列的表格,设置表格列宽为4厘米,行高16磅。 (2) 合并表格第1列第2~7行单元格,将合并后单元格中重复的名称删除,只保留1个。设置外框线为红色1.5磅双窄线,内框线为绿色0.75磅单实线。第1行单元格设为黄色底纹,并以WD03B.DOC为名保存文档。