单项选择题
Questions 23 to 25 are based on the conversation you have just heard.
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A. To delete the junk mails.
B. To delete the useful mails.
C. To chat on the Internet.
D. To download some programs.
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单项选择题
A. Call the phone number on the billboard. B. Visit the website to find information. C. Send a message directly to the person on the billboard. D. Phone the staff at findyourpartncr, com.
A. Call the phone number on the billboard.
B. Visit the website to find information.
C. Send a message directly to the person on the billboard.
D. Phone the staff at findyourpartncr, com.
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单项选择题
A. By flying in circles around a field. B. By detecting a chemical signal. C. By inspecting individual corn leaves. D. By noticing the caterpillar’s coloration.
A. By flying in circles around a field.
B. By detecting a chemical signal.
C. By inspecting individual corn leaves.
D. By noticing the caterpillar’s coloration.
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