Which of the following statements are NOT true of protozoans?
A. There are approximately 40,000 species.
Giải bởi Vietjack
Đáp án C
A: (4) Nevertheless, with the current data available, almost 40,000 species of protozoans have been identified.
B: (1) The protozoans, minute, aquatic creatures each of which consists of a single cell of protoplasm, constitute a classification of the most primitive forms of animal life
D: (4) No doubt, as the technology improves our methods of observation, better models of classification will be proposed.
Silent reading, especially in public places, flourished mainly because of ___.
Paragraph 4 of the passage serves mainly to do which of the following?
Why did the author wait until the last line to reveal the identity of the man in the photograph?
According to the passage, many people’s understanding of desertification is incorrect because _____.
The word “degradation” in paragraph 4 is closet in meaning to _____.
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
Large amounts of gases may be released from the Sun at the end of its life as a .
