1) Authorized personnel only a) The room is only for the government b) The officers can enter the room c) The personnel should notice the sign d) People must ask for permission from the authority 2) Good to see, nice to hold. Once broken considered sold a) The collections marked by the signs are sold out. b) Pictures of the fragile collections can be taken c) The last person touching the stuffs will be suspected d) If a person break something, he or she must buy it 3) What does this sign mean? a) The company computers should not be used for personal usage b) You can use the company computers personally c) it is prohibited to use the computer for company purpose d) You should use the personal computer personally 4) Lab coats must be worn in this area a) All people must wear lab coat in the laboratory b) Your laboratory coat must be torn in this area c) Wearing lab coat is optional for students and visitors d) Teachers and students must wear white laboratory coat 5) Keep foods and drinks away from computers a) You may eat or drink near the computers b) you may not eat or drink near the computers c) Eating and drinking are prohibited during the lesson d) You can keep food and drinks beside the computers 6) What should you do if you see this sign? a) Feed the tapirs b) Keep the tapirs away from the zoo c) Beware of tapirs urine spray d) Beware of tapir bites 7) Don't spread germs. It means that we should........ a) Avoid picking our nose or touching our mouths b) spread germs in the laboratory c) Pick our nose or touch our tongue in the washroom d) Germs threat us anywhere 8) Poison Ivy, Stay on path a) The path is surrounded by poisoned ivy b) Keep walking on the poison ivy path c) The paths are very dangerous d) There are poisoned plants on mountain trail 9) Please do not litter a) We may throw rubbish in this area. b) We may not send letter here. c) We are not allowed to throw rubbish here. d) We are not permitted to buy gasoline per liter 10) Hazardous chemicals. What is the purpose of the sign? a) To remind readers to work with dangerous chemicals b) To tell the readers about kinds of hazardous chemicals c) To warn the bikers not to use the chemicals at home d) To remind people about the danger of the chemicals 11) What does the sign mean? a) This warning is usually contained around electrics installation b) We may not open this gate at certain time because many people had died there c) Visitors will need to be careful because they can shock to death of electricity d) The cage consists of dangerous materials that can cause people’s death 12) What does the sign mean? a) We are not allowed to open this door b) We must close the door after opening it  c) We may open this door at certain time  d) The door must be locked all times 13) What does the sign mean? a) We cannot take picture here b) You can park here c) You are watched by CCTV d) The CCTV is under construction 14) The sign tells us that..... a) We are not permitted to wear slipper b) We are allowed to wear toed shoes c) The shoes should be opened before entering the warehouse d) The warehouse stores open toed shoes 15) Where can you see this sign? a) At a workplace b) in an office c) At a computer laboratory d) at school 16) Why should you follow this safety instruction? a) To know how to lift a box b) To keep your legs healthy c) To exercise your leg d) To avoid backache or injury 17) What does the sign mean? a) We should not touch the cable b) We should not cause electric shock c) The wire is being installed d) the electric shock is caused by the open wire 18) What does the sign mean? a) Your hands could be caught by rotational machine b) Only the guards can operate the machine c) The readers are strictly prohibited to operate the machine d) We should make sure that the guards are in place at all times 19) Why should we be careful in this area? a) Because the cliff is near the sea b) Because the cliff may be slide c) Because we are warned to keep out d) Because the road is unstable 20) Why should we follow this warning sign instruction? a) Because the class 3B laser is used for eye protection b) Because the direct eye exposure should be avoided c) Because the class 3B laser is a very dangerous chemical d) Because The class 3B laser can cause eye burn 21) What is NOT the function of this sign? a) to maintain employee safety and awareness in any work environment b) To make workers alert of hazardous situations that is not neccessarily life threatening c) To keep safety in manufacturing and construction industries d) To warn the employee not to operate the sharp edged machine 22) Where can't we find the sign? a) Near the lake b) Near the river c) Near the sea d) Near the waterfall 23) What does the sign mean? a) You are asked to turn the lamps off hen you are out of the room b) The lights should always be turned off at all times c) The light bulbs should be pulled off when it is not used d) the room is already bright so that we don't need to turn the lamps on 24) Where can we find the sign? a) On the main road b) Near the sidewalk c) On the narrow lane d) on the village street 25) Why is the area unsafe? a) Because workers should wear helmet and other safety instruments b) Because there are many construction workers in the area c) Because we may be struck down by scattered materials d) Because a building is being reconstructed

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