There's an ( ) food shortage and many farmers will miss the winter cropping season.

(单选题)From the passage we can infer that ( ). (单选题)According to the passage, we can safely conclude that ( ) (单选题)What does the word “credit” mean in paragraph 3? (单选题)Who will benefit most from a family pattern of sharing in ta (单选题)From the passage we know that author is very concerned with (单选题)The search was based on the same combination of concepts and (单选题)The Internet is extensively utilized by students for ( ) (单选题)The empirical evidence suggests that ( ) extra working ho (单选题)Chinese Internet users tend to use more proper and skillful (单选题)To check the ( ) of these results, we perform two differe