内容正文:
语法填空专项训练
1.
Drones are like airplanes, only without a pilot. No one without a pilot's license should 1. (allow) to have one.
Something bad or unexpected can happen when people send up a self-controlled 2. (fly) machine like a drone without knowing how to really control it. Drones can become flyaway, and can be caught up on a jet stream(喷气流) and blown away. A falling drone can do much harm 3. buildings and people.
4. drones can be harmful, they can be very helpful.
At a sports event, drones can be used to give the spectators(观众) a view from above or help coaches see 5. their players are doing.
They are also becoming 6. useful tool for firefighters, helping them find and fight wildfires.
Drones can watch 7. (secret) on populations of animals in the wild, especially endangered ones.
In some faraway places in the world, drones are the 8. (fast) way to send medicine to people who are in great need of it.
Some people think drones can only be used by governments to help when needed. 9. (other)think that if rules are obeyed, there should be little risk to people and property(财产).
Drone 10. (maker) say drones are exciting new technology and that the future will be controlled by them.
2
Dear Rita,
How are you? Last time you asked me about 1. (great) invention in my eyes. I have also discussed it 2. my best friends, Anna, Sue and Kris. We have different ideas. Anna thinks it is the high-speed railway; Sue, the shared bike; Kris, the online shopping; and I prefer the Internet.
The Internet is just like a net, and it 3. (connect) us with the world. In the past, it was nearly impossible for people to communicate 4. (immediate) with people in other countries. They had to spend a long time to reach their destinations (目的地),and not everyone could do 5. . But the Internet has made the impossible possible. Now we can communicate with 6. (foreign) online.
The Internet also helps us know what is happening around the w