Câu hỏi:
29/04/2022 678
PF has installed more than 60 air …………... devices in campus buildings and 238 in campus elevators.
Đáp án chính xác
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Giải bởi Vietjack
Đáp án B
Giải thích:
A. adjustment (n): sự điều chỉnh B. purification (n): sự thanh lọc
C. pollution (n): sự ô nhiễm D. absorption (n): sự hấp thụ
=> air purification device: thiết bị lọc không khí
Tạm dịch: PF đã lắp đặt hơn 60 thiết bị lọc không khí trong các tòa nhà trong khuôn viên trường và 238 trong các thang máy của khuôn viên trường.
Chọn B.
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
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