2. 外语
  3. In the first paragraph, what did the author try to tell us? In the sentence "Other diseases, such as arthritis, are chronic, pe

In the first paragraph, what did the author try to tell us? In the sentence "Other diseases, such as arthritis, are chronic, pe

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问题 In the first paragraph, what did the author try to tell us?
In the sentence "Other diseases, such as arthritis, are chronic, persisting for months or years, or recurring frequently." "are chronic" means______.
选项 A、are long
B、last long
C、are stable
D、are terrible
答案B
解析 chronic adj. ①长期的，惯常的：a chronic alcoholic长期酗酒的酒徒。②慢性的(疾病)：a chronic disease慢性病。
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