just as people take time to learn how to drive safely, so do machines. And machines are not quick learners. The RAND Corporation calculates that to develop a system 20% safer than a human driver, 100 self- driving ...
4.In each episode of Man vs Wild,Grylls is abandoned in a wild area and has to find his way out.___ 5.A classic example of a flexible time schedule is that someone who works four 10-hour shifts a week can take three...
22.How long does Tina spend on Maths every day? A.About 1.5 hours.B.About 2.5 hours.C.About 1 hour. 23.When does Tina go to the English Club? A.On Wednesday morning.B.On Wednesday afternoon.C.On Wednesday evening. 24.How does Tina feel at school? A.Happy.B.Bad.C.Sad. 二、单...
My brother ___ (3) ___ (finish) his homework an hour ago, and now he ___ (4) ___ (play) video games. I ___ (5) ___ (think) he ___ (not/do) his homework seriously. 19.By the time we ___ (arrive), the meeting ___ (already, begin)When we ___ (enter) the ro...
34. Last month, I ___ (go) on a school trip to the zooWe ___ (leave) the school early in the morning, and after an hour’s drive, we ___ (arrive) at the zooIt ___ (be) a sunny day, and we ___ (see) many animalsMy favorite animal ___ (be) the pandas, because...
now.For us students,we should try our best to work hard in order to create a great future of our own.We should make the best use of every hour and be the master of today.We should do everything before us as well as possible.And never put off(推迟)what can be done today till ...
It ___ (9) (be) a very enjoyable day. 28.By the time she ___ (arrive), we ___ (already/finish) the mealWe ___ (wait) for her for over an hour, but we ___ (have) to start without her. 29.My brother ___ (1) a book last week. He ___ (2) that the book ___...
A. DogB. CatC. ElephantD. Lion 19.This morning, I ___ (1) to the library after breakfast. I ___ (2) a book about animals. It ___ (3) very interesting. I ___ (4) for an hour, then I ___ (5) to the café to meet my friends. We ___ (6) coffee and ___ (7...
7. Which of the following is the correct form of the verb "take" in the sentence: "I ___ the bus to school every day"? A. Takes B. Taken C. Take D. Taking 8. It ___ (take) me an hour to finish my homework yesterday, but today it ___ (only/take) me 30 minutes. 9...
12.I ___ (1) ___ (look) for my keys for over an hour when I finally ___ (2) ___ (find) them in my coat pocket. I ___ (3) ___ (not realize) that I ___ (4) ___ (leave) them there. My mother ___ (5) ___ (laugh) at me when I ___ (6) ___ (tell)...