[单选题]根据以下选项,回答 99~100 题:
正确答案 :C
头痛伴视力障碍
[单选题]In line with the passage, if you don't like to write a letter, it's simply because ______.
正确答案 :C
you haven't found the advantages of letters
解析:39.答案为C。根据题干找到第二段第二句,It's
simply because you have not yet discovered the fun it can be to write作出该项选择。
[单选题]血小板正常值是 ( )
正确答案 :A
(100~300)×109/L
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