Choose the best answer to complete the passage.
INTERFERING WITH NATURE
Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?
Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.
We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?
ablecapableawarefondHướng dẫn giải:A. able + to: có thể
B. capable + of: có thể
C. aware + of: biết, nhận thức về
D. fond + of: thích
=> We all know the effects could be catastrophic, but are we (3) aware of the possible solutions?
Tạm dịch: Tất cả chúng ta đều biết những tác động có thể rất thảm khốc, nhưng chúng ta có biết về các giải pháp khả thi không?
Đáp án cần chọn là: C