Sulfur dioxide is not so harmful to human health as to plants.
查看答案
By "a dimming of the lights"(Line , Para. 1 )Erving Goffman means" ______".
A. closing one's eyes
B. turning off the lights
C. ceasing to glance at others
D. reducing gaze-time to the minimum
Poisonous particles, such as lead compounds, are cumulative and can build up slowly in the
A. Y
B. N
C. NG
听力原文:M: This article is nothing but about for housing developers. I don' t think the houses for sale are half that good.
W: Come on, David. Why so negative? We' re thinking of buying a home, aren' t we? Just a trip to look at the place won' t cost us much.
Q: What can be inferred from the conversation?
(18)
A. The houses for sale are of poor quality.
B. The houses are too expensive for the couple to buy.
C. The housing developers provide free trips for potential buyers.
D. The man is unwilling to take a look at the houses for sale.
听力原文:W: Mr. Watson, I wonder whether it' s possible for me to take a vacation early next month.
M: Did you fill out a request form?
Q: What is the probable relationship between the two speakers?
(15)
A. Teacher and student.
B. Doctor and patient.
C. Manager and office worker.
D. Travel agent and customer.