Chips. New Species. Multiple Choice Grammar Tests
Can you imagine being able (1) _________ your hand and turn on a light or start a computer? Can you imagine being able to unlock a car or house door without a key? Some people already can do that. They had computer chips (2) _________ under their skin. The chips send signals that enable them to do those things!
Other people have chips under their skin that tell about their health. If they (3) _________ in an accident or very sick, someone in the hospital can scan their chip to learn who they are, their blood type, what allergies they have, and other things about their health.
The chips, which (4) _________ RFIDs, are about the size of a grain of rice. They have tiny antennas that send out the signals.
Some schools (5) _________ RFIDs, too. Students wear tags with RFIDs in them or clip RFIDs to their backpacks. The RFIDs signal when a student enters and leaves school. Parents can get messages (6) _________ to their cell phones that tell them when their children left school — or if they didn’t go to class.
Pet owners (7) _________ RFIDs for several years. They had chips put under their dog or cat’s skin. If the pet is lost, the chip can be used to track down the (8) _________ owner.
|4||will be called||are calling||is called||are called|
|5||uses||used||was using||are using|
|7||using||have used||had used||has used|
SCIENTISTS FIND 27 NEW SPECIES IN CAVES
Discovering one new species of animal must be very (9) _________. Imagine discovering twenty seven!
That’s what happened to scientists (10) _________ caves in California. They found twenty seven new species of spiders, centipedes, scorpion-like creatures, and other animals.
Among the creatures the scientists found was an insect whose body is (11) _________ clear you can see inside it. It’s easy to spot its bright yellow liver. One spider the scientists discovered looks like a daddy long legs, but has jaws bigger than (12) _________ body.
Scientists (13) _________ the new species yet. They need to learn more about the tiny cave-dwellers before they (14) _________ them. Scientists do not know how long the new species live, what kind of habitats they prefer, how many babies they have, and many (15) _________ things.
While it is very unusual to find new species above ground, unexplored caves could be home to all kinds of new animals. As one scientist put it, exploring caves is like “charting undiscovered territory.’
|13||have not named||not have named||has not named||not had named|
|14||will label||label||labels||would label|
1.B; 2.D; 3.A; 4.D; 5.D; 6.A; 7.B; 8.C; 9.D; 10.C; 11.A; 12.D; 13.A; 14.B; 15.C