题目内容
【题目】—Bill, is that your sister’s pet (宠物）dog?
—No._____ is white.
A. She B. Her C. Hers
【答案】C
【解析】空格后没有名词，应使用名词性的物主代词。故选C。
【题目】An INTERESTING experiment
It takes a little skill to do this experiment, but the result is truly SURPRISING.
What do you need? Several rubber balloons Wooden skewer（木签） Vegetable oil Paper towel |
| Step l Blow up a balloon, let some of the air out of it, and tie it closed. |
| Step 2 Rub some oil on skewer with paper towel. | |
| Step 3 Gentle twist（搓捻）and push skewer into end of balloon opposite the knot. If balloon pops（爆 炸），go back to Step 1. | |
| Step 4 When skewer is in balloon, slowly twist and push it out of balloon near knot. | |
What will happen? |
| ____▲______ The balloon does not pop, even though it has a skewer in it. |
Why won’t it pop? | Rubber is made out of long chains of molecules （分子）. The skewer pushes these molecules aside. The molecules mix with the oil and they stick together tightly. The oil on the skewer seals the hole and air cannot get out. | |
【1】Which is the most suitable word for “ ▲ ”?
A.TopicB.ResultC.Step 5D.Reason
【2】What can we infer（推断）from the passage?
A.It’s easy to push a skewer into and out of a balloon when doing the experiment.
B.You’d better blow as much air as possible into a balloon to make it big enough.
C.There’s no need for you to use the oil and paper towel while doing the experiment.
D.It’s hard for the air to get out of the hole as molecules and oil stick together.
【题目】
Some Cool Inventions | |
Selfie Stick(自拍杆)
| How to take a perfect selfie? Luckily, a selfie stick is helpful! When using a selfie stick, you position your phone on one end and your hands hold the other end. Then, you connect the stick with your phone through Bluetooth. Press the button on the stick and say cheese. Your selfie is made! |
Apple Watch
| Apple Watch is a computer and phone on your wrist. Besides telling the time, the watch can send messages and make phone calls. To make your life easy, the watch can also show you a map on the screen. If you want to find the nearest cafe, you just need to speak to your watch. Then, it will show you the direction. Apple Watch also comes with many health and fitness features. The watch is not just smart. It is also fashionable, with six different styles and colors. |
3-D Printers
| Is there a machine that can build almost anything? Thanks to 3-D printers, theyhave been used to make many different things. People have made candies and cars. Doctors have even used a 3-D printer for human organs. What else will the 3-Dprinter bring us？ |
Wireless Electricity
| We can turn on lights and televisions because electricity travels through wires. But Witricity, a US-based company is working on this technology---wireless electricity. The technology tries to create a magnetic(有磁性的) field in your room. This way, smartphones will charge in your pocket as you wander around and lights will glow with no wires attched. |
【1】How can we take a perfect selfie?
A.By using a selfie stick.B.By using Bluetooth.
C.By saying cheese.D.By using a better phone.
【2】What can anApple Watch do?
A.It can tell the time and create a magnetic field.B.It can send messages and cure illnesses.
C.It is with different styles and colors.D.It can tell the time and show you the way.
【3】Which statement is NOT true according to the passage?
A.Apple watch can show maps on the screen.B.A US-based company is working on wireless electricity.
C.3-D printers can build almost everything.D.Wireless electricity has already been widely used.
【4】How can wireless electricity work?
A.By traveling through wires.B.By creating a magnetic field in the room.
C.By using smartphones.D.By wandering around in the room.
【5】Where can you find the passage?
A.In newspapers.B.In a magazine on science and technology.
C.In a tour guide.D.In textbooks.