The author states that scientists previously were aware that ________.
Đáp án A.
Key words: states, scientists, previously, aware
Clue: “It has long been established that cell members become permeable when exposed to electrical impulses": Từ lâu giới khoa học đã nhận biết được rằng các tế bào trở nên bị thẩm thấu khi tác động bởi xung điện.
Như vậy chọn A. electric impulses could affect cells: xung điện có thể ảnh hướng đến các tế bào.
Các đáp án còn lại không đúng:
B. electric charges could harm a person: tích điện có thể gây hại cho một người.
C. cells interact with each other through electrical charges: các tế bào tương tác với nhau qua điện tích.
D. they could control cells with a separate compute: họ có thể kiểm soát tế bào bằng một máy tính riêng.
According to the information in paragraph 3, long-distance travellers in the US can choose ________ mode(s) of transport.
The word “they” in the last sentence of the passage can best be replaced by ________.
According to the passage, public parking lots of the future will be ________ .
What is the major point that the author is making in this passage?
The word “foresee” in this passage could best be replaced with ________ .
Which of following best describes the organization of this passage?
The phrase “at their own convenience” in paragraph 4 is closest in meaning to ________.
Bangladesh is a country where the level of poverty depends greatly on ________.
According to paragraph 1 the writer is surprised to see that although Holiday on Ice is popular ________ .
In what lines does the author give reasons for why people enter footraces?
The word “compact” in the second paragraph is closest in meaning to ________ .
It is implied in the last paragraph that when you learn later in life, you ________.