Which of the following statements are NOT true of protozoans?
(C) They have a large cell and a smaller cell.
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?
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
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 _____.
According to the passage, agriculture furthers desertification through which of the following activities