When using closed-circuit devices, divers_______ A. exhale air into the water B. hold their breath C. breathe the same air over and over D. receive air from the surface

Question

When using closed-circuit devices, divers_______   A. exhale air into the water B. hold their breath C. breathe the same air over and over D. receive air from the surface

VietJack · Accepted Answer

Đáp án C Khi sử dụng thiết bị lặn, thợ lặn: A. thở ra không khí trong nước B. nín thở C. hít thở nhiều lần D. nhận không khí từ bề mặt

When using closed-circuit devices, divers_______

This passage is mainly about ________.

The number of parents who want to teach their own children in the U.S. is _____.

Which of the following is the main topic of the passage?

Ambient divers are ones who_____

The phrase “round the clock” in the second paragraph is similar in meaning to______.

Which of the following statements does paragraph 1 support?

The word “conceal” is closest in meaning to which of the following?

When using closed-circuit devices, divers_______

This passage is mainly about ________.

The number of parents who want to teach their own children in the U.S. is _____.

Which of the following is the main topic of the passage?

Ambient divers are ones who_____

The phrase “round the clock” in the second paragraph is similar in meaning to______.

Which of the following statements does paragraph 1 support?

The word “conceal” is closest in meaning to which of the following?

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