Which of the following is NOT true according to the passage?
A. Silver iodide has been used to generate artificial rain.
B. Simple clouds could theoretically transform into true storms.
C. Cloud seeding has been practised since 1980.
Giải bởi Vietjack
Giải thích:
Thông tin nào sau đây không đúng theo đoạn văn?
A. Bạc iodide đã được sử dụng để tạo mưa nhân tạo.
B. Về mặt lý thuyết, những đám mây đơn giản có thể biến thành bão thực sự.
C. Tạo mưa nhân tạo đã được thực hiện từ năm 1980.
D. Việc tạo mưa nhân tạo đã bị Liên Hợp Quốc cấm.
Thông tin:
+ It is released by substances such as silver iodide in the cloud, which catalyzes the condensation of water droplets and produces artificial rain. (Nó được giải phóng bởi các chất như bạc iodide trong mây, xúc tác cho sự ngưng tụ của các giọt nước và tạo ra mưa nhân tạo.)
→ A đúng
+ In this way, simple clouds could theoretically transform into true storms, capable of resisting drought. (Bằng cách này, những đám mây đơn giản trên lý thuyết có thể biến thành những cơn bão thực sự, có khả năng chống chịu hạn hán.)
→ B đúng
+ Cloud seeding is a weather manipulation practice that has been around for 80 years. (Tạo mưa nhân tạo là một phương pháp thao túng thời tiết đã tồn tại được 80 năm.) → C sai
+ In the United States, artificial rain generation was also used in the military before it was banned by the United Nations. (Tại Hoa Kỳ, việc tạo mưa nhân tạo cũng được sử dụng trong quân đội trước khi bị Liên Hợp Quốc cấm.)
→ D đúng
→ Chọn đáp án C
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