Where in the passage is there a reference to the establishment of the first electric power stations?
Đáp án A
Thông tin được đề cập đến ở dòng 2, 3 “Coal seemed to fit the bill, and it fueled the earliest power stations (which were set up at the end Of the nineteenth century by Edison himself)” → chọn A
Which of the following is NOT a result of the formation of ocean ice?
In line 7, when the author states that the owners "anxiously watch the sky" there is the implication that the owners
The word “bore” in line 3 is closest in meaning to which of the following?
In line 6, the word “further” is closest in meaning to which of the following?
Which of the following statements about the salinity of a body of water can best be inferred from the passage?
According to the passage, how does the stick caterpillar make itself look like a twig?
Which of the following can be inferred about the order in which Kentucky, Tennessee, and Vermont joined the Union?
In the author's opinion, the importance of coal-generated electricity could increase in the future for which of the following reasons?
It can be inferred from the passage that coal became the principal source of electricity in the United States, because it _______.