【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...
【单选题】阅读第3篇: Plants are very important living things. Life could not go on if there were no plants. This is because plants can make food from air , water and sunlight. Animals and man cannot make food from ...
A.
plants are important for life
B.
plants cannot grow without air
C.
there are many plants in the world
D.
we can not live without water
【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