Chuyển đến phần nội dung
Luyện Nghe Tiếng Anh Chất
Tiếng Anh Chuyên Ngành
Listening Quiz: Chuẩn Bị Mẫu Cho Khối Phổ – Medium Level
Th8 19, 2024
—
bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
‹
1
2
3
4
5
›
1.
What is the main topic of the conversation?
How to organize a laboratory meeting
How to repair broken sample tubes
How to schedule an analysis appointment
How to prepare samples for mass spectrometry
Explanation:
The conversation focuses on instructions for preparing samples, including cleaning, sizing, labeling, storing, and diluting them before mass spectrometry analysis.
2.
What should Anna use when cleaning the samples?
A refrigerator and labels
A brush and alcohol
A lint-free cloth and gloves
Paper towels and water
Explanation:
Mark specifically says to use a lint-free cloth and gloves for cleaning the samples.
3.
How much should each sample be?
About five milliliters
Exactly two milliliters
Less than half a milliliter
About one milliliter
Explanation:
Mark states that each sample should be about one milliliter.
4.
Where should Anna keep the samples until analysis?
On the lab bench
In a sealed box at room temperature
In a warm cabinet
In the refrigerator
Explanation:
Mark tells Anna to keep the samples in the refrigerator until analysis.
5.
What can be inferred about Anna’s task?
She only needs to label the tubes and do nothing else
She is supposed to discard all the samples
She must analyze the samples immediately
She is expected to prepare the samples according to specific instructions
Explanation:
Mark gives Anna several specific preparation steps, so it can be inferred that she is expected to prepare the samples according to those instructions.
Previous
Check
Next
Finish
Reset
Luyện tập thêm về bài học này:
Listening Lesson
Vocabulary Flashcards and Quiz
←
Trước đó:
Listening Quiz: Thảo Luận Yêu Cầu Ngân Sách Của Các Bộ Phận – Easy Level
Tiếp theo:
Tiếng Anh Thực Phẩm: Giới Thiệu Hệ Thống Quản Lý Bàn Mới – Medium Level
→