Units 9～10 Saving the earth Frightening nature
d.searching for information on the net
解析：細節判斷題。由第一段第二句可知。
答案：d
2.the correct explanation about “plugin” is ________.
a.a radio or tv connected with a computer
b.a small，addon piece of hardware which improves your web browser
c.a small，addon piece of software which can turn your computer into a radio or tv
d.a small，addon piece of software like netscape navigator or microsoft explorer
解析：細節理解題。由第二段可知。
答案：c
3.when we go to a “shocked” website a second time，________.
a.we should go to the macromedia site and click on the link to install the active x control
b.the shockwave control loads itself and plays the movie for us
c.we will be asked whether to download the shockwave control or not
d.we have to buy the shockwave control and load it
解析：細節理解題。由倒數第二段最后一句可知。
答案：b
4.most of the time，how can we get a plugin before automatic installation?
a.we have to buy it from the developer.
b.we have to borrow it from the developer.
c.we have to rent it from the developer.
d.we can obtain from the developer without paying.
解析：細節理解題。由最后一段第一句可知。
答案：d