单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

[A] It is not as difficult as she had thought it would be. [C] She took a class on it last semester.
[B] She would like her professor to explain it more clearly. [D] Her professor will write a book on it soon.
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单项选择题
[A] They are often handled improperly by readers. [C] The ink used in printing damages the paper. [B] The paper is destroyed by chemicals. [D] The glue used in the binding loses its strength.
[A] They are often handled improperly by readers. [C] The ink used in printing damages the paper.
[B] The paper is destroyed by chemicals. [D] The glue used in the binding loses its strength.
填空题
The passage gives a general description of an invasive insect, HWA.
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