D.The software installed automatically identifies different users.
40、How does the new tech work to improve students mathematical learning_________?
A.It helps fast learners to learn faster.
B.It makes teachers instruction unnecessary.
C.It enables them to work together.
D.It allows the whole class to learn at the same pace.
41、根据材料,回答41-46问题。
On the Trial of the Honey Badger On a recent field trip to the Kalahari Desert, a team of researchers learn a lot more abouthoney badgers. The team employed a local wildlife expert Kitso Khama to help them locate andfollow the badgers across the desert. Their main aim was to study the badgers movements andbehavior as discreetly (谨慎地) as possible without frightening them away or causing them tochange their natural behavior. They also planned to trap a few and study them close up beforereleasing them in view of the animals reputation; this was something that even Khama wasreluctant to do.
The problem with honey badgers is they are naturally curious animals, especially whenthey see something new, he says. That, combined with their unpredictable nature, can be adangerous mixture. If they sense you have food, for example, they wont be shy about comingright up to you for something to eat. Theyre actually quite sociable creatures around humans,but as soon as they feel they might be in danger, they can become extremely vicious (凶恶的). Fortunately this is rare, but it does happen.
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