30. What does the passage mainly discuss? (A) Atmospheric differences between Venus and Earth (B) How Venus lost the water it once had (C) The influence of the Sun on Venus (D) A comparison between the upper and lower atmosphere on Venus

28. The passage supports which of the following statements about Native American trade in Oregon? (A) Trade was limited by the mountainous terrain, (B) Trade was more depended oc the canoe than on any other form of travel. (C) Items related to transportation were typical trade products. (D) Transportation contributed to the development and maintenance of trade.

30. What does the passage mainly discuss? (A) Atmospheric differences between Venus and Earth (B) How Venus lost the water it once had (C) The influence of the Sun on Venus (D) A comparison between the upper and lower atmosphere on Venus

其他試題

30. What does the passage mainly discuss?
(A) Atmospheric differences between Venus and Earth
(B) How Venus lost the water it once had
(C) The influence of the Sun on Venus
(D) A comparison between the upper and lower atmosphere on Venus