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More and more people (1){A.must; B.have; C.had; D.has} to install burglar alarms in their houses if they want to get insurancE.Insurance companies have been asking people in certain areas to install the alarms before they give them insurance for the past year. This is (2){A.due; B.caused; C.because; D.because of} to the increasing crime in some parts of the country. This can be a problem for people (3){A.which; B.what; C.who; D.---}are struggling to make both ends (4){A.go; B.come; C.meet; D.loose}. The alarms, which can be very expensive, need to be installed by an electrician. It is estimated that 20% of homes have alarms installed, and that another 20% of people plan (5){A.to have them installed; B.to have them installing; C.to have been installing them; D.to install them} but have not installed them yet.

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WHY SHOULD YOU ADJUST YOUR HARD HAT SO IT FITS PROPERLY?_Two colleagues are heading for a construction sitE._Robert: Let’s go to the worksite and see the progress.Ben: OK, you must remember to wear a hard hat.Robert: {A.You need to check the suspensions regularly,; B.Let me check.; C.That’s really worth noting.; D.Can a hard hat save my life?; E.Thank you for your detailed introduction.}Ben: Of coursE.Hard hats are important for protecting your head in open environments.Robert: Is my hat on properly?Ben: {A.You need to check the suspensions regularly,; B.Let me check.; C.That’s really worth noting.; D.Can a hard hat save my life?; E.Thank you for your detailed introduction.} First of all, adjust the suspensions.Robert: I want the hat to fit comfortably so it doesn’t fall off, but I don’t want to make it so tight that it causes discomfort. What should I do?Ben: You can adjust the chinstraps properly to fit around your chin.Robert: I seE.Do you have any more information about safety?Ben: {A.You need to check the suspensions regularly,; B.Let me check.; C.That’s really worth noting.; D.Can a hard hat save my life?; E.Thank you for your detailed introduction.} because after years of wear and tear, the entire suspension system may need replacing.Robert: {A.You need to check the suspensions regularly,; B.Let me check.; C.That’s really worth noting.; D.Can a hard hat save my life?; E.Thank you for your detailed introduction.}Ben: And do not stuff the gaps of a hard hat or make changes to the hat’s suspension harness. Otherwise, its effectiveness will be impacteD.Robert: {A.You need to check the suspensions regularly,; B.Let me check.; C.That’s really worth noting.; D.Can a hard hat save my life?; E.Thank you for your detailed introduction.} Now I know how important a hard hat is in the high-hazard construction industry!
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PROTECTING EYES FROM COMPUTER SCREENSMany of us spend the bulk of the day looking at computer screens. Reading this article means there’s a good chance you’re looking at one right now.But does looking at computer screens damage your eyes? Professor Nathan Efron does not consider computer screens “harmful” to our eyes.But he admits if you use one a lot, you increase your risk of becoming slightly more short-sighted –where your eyes focus well only on close objects while more distant objects appear blurreD.This is especially the case for children and young adults, whose eyes are still developing.In the shorter term, prolonged viewing of a computer screen can make any slight existing vision defects more noticeablE.It can also give you what is sometimes known as “computer vision syndrome” – eye strain, headaches, gritty eyes and blurry vision. But this is only temporary and can be minimized by:Adjusting the screen display so the contrast is high and the brightness feels comfortablE.Having lighting that does not produce glare on the screen.Giving your eyes regular rests from looking at the screen (The Optometrists Association of Australia recommends you do this for five to ten minutes every one to two hours of computer usE.It's a good time to make phone calls or do other tasks.)1. Many of us spend much time looking at computer screens. {T; F}2. Looking at computer screens for long time doesn’t damage children and young adults’ eyesight. {T; F}3. Computer vision syndrome cannot be weakeneD.{T; F}4. It’s good taking breaks during screen watching. {T; F}5. Proper lighting is important to protect our eyes. {T; F}
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