【单选题】蠕虫病毒是一种主要通过( )传播的恶性病毒。
【简答题】Fill in the blanks with the following phrases: 1.surrounded by 2.excel 3.be similar to 4.delicate 5.display 1. Five-Fingers Peak its name as it looks like five extendedfingers. 2. green hi...
【简答题】根据句意和首字母提示完成下列句子。 1. There are two c in her family. One is a boy,the other is a girl. 2. If you study h , you will get good grades(成绩). 3. People often go swimming in s . 4. Mr. Black is a reporter. H...
【单选题】If there are two or more different substituents when listing them in alphabetical order, we can not ignore ____
A.
the prefixes sec- and tert-
B.
the prefixes iso- and neo-
C.
multiplying prefixes di, tri, tetra.
【单选题】单选和复选框按钮使用什么属性来决定其是否选中
【单选题】单选和复选框按钮使用什么属性来决定其是否选中?而下拉列表和列表框使用什么属性了决定其是否选中?
C.
前者是checked,后者是selected
D.
后者是checked,前者是selected