Chuyển đến phần nội dung
Luyện Nghe Tiếng Anh Chất
Tiếng Anh Chuyên Ngành
Listening Quiz: Giải Thích Nhóm Đối Chứng – Easy Level
Th10 8, 2025
—
bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà sinh học (English for Biologist)
‹
1
2
3
4
5
›
1.
What is the conversation mainly about?
Why experiments always fail
The purpose and role of a control group
How to design a science fair project
How to give a medical treatment
Explanation:
Jessica explains what a control group is, what it does, and why it is important in an experiment.
2.
According to Jessica, what does a control group help scientists do?
Choose the best treatment
Increase the number of subjects
Compare results
Change the experiment’s outcome
Explanation:
Jessica says a control group helps compare results.
3.
What does the control group receive in the experiment?
A stronger treatment
The same treatment as everyone else
No treatment
An extra test
Explanation:
Jessica says the control group does not get the treatment and is given no treatment.
4.
Why does Jessica say results can be unclear without a control group?
Because the subjects are all the same age
Because the treatment always works
Because the experiment takes too long
Because there is nothing to compare the treatment against
Explanation:
Jessica explains that the control group shows what happens without the treatment, which lets researchers compare results.
5.
How do the speakers say the control group is chosen?
By choosing subjects who already know the result
By giving everyone the same treatment
By selecting similar subjects and giving them no treatment
By selecting the oldest subjects only
Explanation:
Jessica says they pick similar subjects but give them no treatment.
Previous
Check
Next
Finish
Reset
Luyện tập thêm về bài học này:
Listening Lesson
Vocabulary Flashcards and Quiz
←
Trước đó:
Tiếng Anh Hoạt Hình: Thuyết Trình Style Frame – Medium Level
Tiếp theo:
Flashcards và Quiz Từ Vựng: Yêu Cầu Kiểm Soát Chất Lượng Cho Lấy Mẫu Đất – Medium Level
→