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_______

Nhà sách VIETJACK:

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

This passage is mainly about ________.

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?

Bình luận

🔥 Đề thi HOT:

VIP +3 tháng ( 199,000 VNĐ )

VIP +6 tháng ( 299,000 VNĐ )

VIP +12 tháng ( 499,000 VNĐ )