Acanthocephalans are commonly called ( ). A: roundworms B: blood worms C: flatworms D: probosis worms E: spiny-headed worms

The nematodes are commonly known as( ). A: flatworms B: segmented worms C: roundworms D: beard worms E: tongue worms

The red worms have been fed with various types of _______________ waste.

Today’s personal computers are vulnerable to worms and viruses, and hence someone with ________ intent could seize control of them.

Q19. Select a primary producer from the list A: Sharks B: Urchins C: Seagrass D: Worms E: Birds

The author tells you that one of the best bait to use for fishing is ______. A: worms B: insects C: peanut butter D: smaller fish

Which among the following is a way to shut down an ISP or website? A: Denial of service attack B: Viruses C: Trojan horses D: Worms

To<br/>the above case, how to prevent the infection () A: keeping<br/>personal hygiene B: to prevent reinfection C: removing<br/>the worms by taking some medicine D: A,B,C

Which<br/>of the following can be the perfect conditions for multiplying<br/>bugs? () A: Mosquitoes and black flies are at their worst in June and early July. B: The weather warms up and the island dries out. C: Worms are apt to habitate with humidity. D: Horse flies and deer flies replace them.

Talk Computer virus.mp3: How to Avoid Getting a Computer Virus 1. (１)＿＿＿＿＿＿＿＿＿＿ ■Ways of spreading ■（２）＿＿＿＿＿＿sent in emails ■USB drive ■ Defense ■(3)＿＿＿＿＿＿is the best defense ２．Worms ■What are they? ■Worms are scarier(4) ＿＿＿＿＿＿＿ ■ Way of spreading ■ Spread to computers(5)＿＿＿＿＿＿＿ humans'　efforts ■ Defense ■Keep your computer software(６)＿＿＿＿＿＿＿＿＿＿ ３．（７）＿＿＿＿＿＿＿＿ ■What are they? ■ Appear to be a(8)＿＿＿＿＿＿＿＿＿ ■ Way of spreading ■ （９）＿＿＿＿＿＿from　the Internet ■Defense ■ Only download softwares from (10)＿＿＿＿＿＿＿＿sites/js/editor20150812/dialogs/attachment_new/fileTypeImages/icon_mp3.gif