A. risky
Giải bởi Vietjack
Đáp án D.
Chọn D. safe (adj) vì “The scientific evidence does not enable us to say with certainty that mobile phones are categorically ______.”: Bằng chứng khoa học không cho phép chúng ta nói chắc chắn rằng điện thoại di động rõ ràng là an toàn.
Những phương an còn lại sai nghĩa.
A. risky (adj): mạo hiểm
B. unhealthy (adj): không lành mạnh
C. secure (adj): an ninh
Chess, often (1 )______ to as a Royal Game, is the oldest of all board games which do not contain an element of chance.
Or do they copy one another, perhaps (9) ________ envy or perhaps because they have shared information about the products?
Each bird will carry these in a miniature backpack, (15) ________, that is, from the camera, which will hang around its neck.
but I can (20) _____ up television easily enough. You can’t watch television at bus stops!
The readings made by the sensors will be automatically converted into text messages and beamed to the Internet – (14) ________ they will appear on a dedicated ‘pigeon blog’.
