WHICH OF THE FOLLOWING IS NOT TRUE

24. Which of the following is not true? A. Scientists have a lot of interest in Nan technology. B. The size of the machines will be much smaller than the smallest bit of dust. C. Nan technology will bring about some changes in the medical field. D. Many people believe that they have to wait a thousand years for Nan technology. B. Choose one option - A, B, C or D - that best fits each of the numbered blanks. Camping is an activity in which people live (25) _________ in the outdoors. Campers participate in fishing, hunting, swimming, plant study, wildlife watching, and nature photography. It (26) _________ physical benefits when it involves hiking to, from and around a campsite, and many people believe that camping makes youngsters feel more confident. People throughout the world enjoy hiking to wildness campsites. This activity is called backpacking because it involves carrying such essential camping gear as a tent, food, clothing, and sleeping bag on the back in a bag called a backpack. Backpacking is the best suited for those who are in good physical (27) ________ as it may require walking for several miles. The key to any enjoyable camping trip is planning. A decision on where to camp depends on personal preference, but planning the trip before leaving help campers avoid (28) __________ accidents. Many situations – bad weather, injury, or simply a crowded campsite – are less alarming if campers are prepared.