Everyday English for Science & Engineering — Unit 2: Describing Tools and Materials

Exercise 1: Choose the correct word.

1. I use a ___ to write notes.

2. There is a ___ on the desk. I read it every day.

3. The engineer uses a ___ to do calculations.

4. This ___ is small and easy to carry.

5. We write the results on ___ .

6. A hammer is a ___ .

🔑 Đáp án & Giải thích (Exercise 1)

1. pen — Dùng bút để viết ghi chú.
2. book — Book là sách để đọc.
3. computer — Computer dùng để tính toán.
4. laptop — Laptop là máy tính xách tay.
5. paper — Paper là giấy để ghi kết quả.
6. tool — Hammer là một dụng cụ.

Exercise 2: Write the correct word.

1. There is a ___ on the table. It connects two parts.

2. We use a ___ to connect electronic parts.

3. The robot is a ___ .

4. My phone is a ___ .

5. The bottle is made of ___ .

6. The ruler helps me ___ the length.

🔑 Đáp án & Giải thích (Exercise 2)

1. cable — Cable là cáp nối các bộ phận.
2. wire — Wire là dây dẫn điện.
3. machine — Machine là máy móc.
4. device — Device là thiết bị.
5. plastic — Plastic là nhựa.
6. measure — Measure nghĩa là đo.

Exercise 3: Choose the correct sentence.

1. One computer on the desk.

There is a computer on the desk. There are a computer on the desk. There is computers on the desk. There are computer on the desk.

2. Three books on the table.

There is three books on the table. There are three books on the table. There are three book on the table. There is a books on the table.

3. One machine in the room.

There are a machine in the room. There is machine in the room. There is a machine in the room. There are machines in the room.

4. Two cables under the desk.

There is two cables under the desk. There are two cable under the desk. There are two cables under the desk. There is a cable under the desk.

5. One device near the computer.

There is a device near the computer. There are a device near the computer. There is device near the computer. There are devices near the computer.

6. Four tools in the box.

There are four tools in the box. There is four tools in the box. There are four tool in the box. There is a tools in the box.

🔑 Đáp án & Giải thích (Exercise 3)

1. There is a computer on the desk. — Một vật dùng 'There is'.
2. There are three books on the table. — Nhiều vật dùng 'There are'.
3. There is a machine in the room. — Danh từ số ít cần 'a'.
4. There are two cables under the desk. — Cable số nhiều là cables.
5. There is a device near the computer. — Một thiết bị dùng 'There is a'.
6. There are four tools in the box. — Tools là danh từ số nhiều.

Exercise 4: Look at the picture and choose the correct answer.

1. What is on the workbench for writing?

2. How many books are there?

3. What material is the machine made of?

4. How many wires are there?

5. What are the students doing?

6. What tool are they using to measure?

🔑 Đáp án & Giải thích (Exercise 4)

1. a pen — Bút dùng để viết.
2. two books — Trong tranh có hai quyển sách.
3. metal — Máy được mô tả bằng kim loại.
4. three wires — Có ba dây dẫn.
5. a test — Họ đang làm bài kiểm tra/thí nghiệm.
6. a ruler — Thước dùng để đo.

Exercise 5: Choose the correct grammar word.

1. There is ___ laptop on the desk.

2. There is ___ old device in the box.

3. There ___ three cables under the table.

4. There ___ a machine in the lab.

5. I have two ___ .

6. There are four ___ on the table.

🔑 Đáp án & Giải thích (Exercise 5)

1. a — Laptop bắt đầu bằng phụ âm nên dùng 'a'.
2. an — Old bắt đầu bằng nguyên âm nên dùng 'an'.
3. are — Danh từ số nhiều dùng 'are'.
4. is — Danh từ số ít dùng 'is'.
5. books — Hai quyển sách dùng số nhiều books.
6. tools — Bốn dụng cụ dùng số nhiều tools.

Exercise 6: Complete the sentence with the correct word.

1. Please ___ the answer before you finish.

2. We do a ___ in the science lab.

3. I use a ruler to ___ the wire.

4. The box is made of ___ .

5. The engineer uses a ___ to fix the machine.

6. There are two ___ connecting the computers.

🔑 Đáp án & Giải thích (Exercise 6)

1. check — Check nghĩa là kiểm tra.
2. test — Test là bài kiểm tra hoặc thí nghiệm.
3. measure — Measure là đo.
4. plastic — Plastic là nhựa.
5. tool — Tool là dụng cụ.
6. cables — Hai sợi cáp dùng dạng số nhiều cables.