17．Read the passage and fill in the blanks with proper words（在短文的空格內(nèi)填入適當(dāng)?shù)脑~，使其內(nèi)容通順．每空格限填一詞，首字母已給出）
Many children use the Internet to get useful knowledge and information，and to relax in their time．But some of them are not using it in a good way．Here are some rules to make sure you are s （67）afe and have fun on the Internet．
Making rules of using the Internet with your parents．For example，when you can get online，how long and what activities you can do online．
Don't give your password to anybody else，and never give out the following information：your real name，home a（68）ddress，age，school，phone number or other personal information．
Check with your parents before g（69）ivingout a credit card number．
Never send a photo of yourself to someone in e-mail unless your parents say it's OK．
Check with your parents before going into a chat room．Different chat rooms have different rules and a（70）ttractdifferent kinds of people．You and your parents will want to make sure it's a right place for you．Never agree to meet anyone you meet on the Internet w（71）ithoutyour parents'permission．Never meet anyone you meet online alone．Treat everyone online as if they were s（72）trangers．
If something you see or read online makes you uncomfortable，leave the site．Tell a parent or a teacher right away．
Remember：not everything you read on the Internet is t（73）rue．
