According to paragraph 4, what is the problem with using renewable sources of power?
A. They can't be used at off-peak times.
B. They do not provide much energy.
C. They always cause system failure and blackouts.
D. They do not supply a continuous flow of energy.
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Giải thích:
Theo đoạn 4, vấn đề với việc sử dụng các nguồn năng lượng tái tạo là gì?
A. Chúng không thể được sử dụng vào thời gian thấp điểm.
B. Chúng không cung cấp nhiều năng lượng.
C. Chúng luôn gây ra lỗi hệ thống và mất điện.
D. Chúng không cung cấp dòng năng lượng liên tục.
Thông tin: Sources of renewable energy such as wind, wave and solar are notoriously unpredictable, and nuclear power, which is also set to increase as nations switch to alternative energy sources is inflexible.
Tạm dịch: Các nguồn năng lượng tái tạo như gió, sóng và mặt trời nổi tiếng là không thể đoán trước, và năng lượng hạt nhân, cái mà cũng sẽ tăng lên khi các quốc gia chuyển sang các nguồn năng lượng thay thế, thì không linh hoạt. => sẽ có lúc các nguồn này không cung cấp năng lượng
Chọn D.
Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.
People all around the world are more and more associated with social networking, (5) _____ is a useful tool for those in the digital era. Social networking aims at promoting and aiding communication. (6) _____, this type of technology may be doing more (7) _____ than good. It is not only changing how we communicate, but how we associate with each other in everyday life. Sarah Zay, of USA Today, expressed that “With the growth of websites such as Facebook, social networking may be (8) _____ of replacing traditional personal interactions for the future generation”. Traditional interactions will continue to be at risk if we don’t (9) _____ the impacts of our social media. Social networking affects our lives in many ways, including our communication, self-expression, bullying, isolations, companionships, and even our very own sense of humanity.
"Roger, remember that you won't be able to cancel the contract __________.”
These fish live _________ small sea creatures such as the shrimps.
We must get to the ________ of the problem and solve it once and for all.
The gardener told me that everything __________ by the end of the year.
I can't figure out Daisy's attitude toward the trip - she is blowing hot and cold about it. First she's all excited, but then she seems reluctant to go.
I'll give you some _______ of advice that can help you escape from the trouble.
Her ambition of emulating her father's success was realised after all of the hardship she had to overcome without anybody's help.
Suddenly my best friends are at odds with each other so now I have to see them separately.
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in the following question.
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to the following question.
It is a good idea to drink as much fruit juice as possible in order to get enough vitamins for our bodies.
