[单项选择]

阿司匹林（）
 

A. 可抑制PG合成
B. 减少TXA₂生成
C. 小剂量可防止血栓形成
D. 大剂量可抑制凝血酶形成
E. 以上都对

阿司匹林抑制血小板聚集的机制是（）
 

阿司匹林预防血栓形成的机制是（）
 

本文以                                比照，主要从                                和知识两个方面对常识教育加以辨析阐释。（4分）

                                                                             Solar Storm
At the end of October 2003, a sudden solar storm hit the earth. A solar storm refers to the large amounts of charged particles released into space (1) the solar energy increases. The release of the energy (2) place along with the activity of the sunspots with a cycle of 11 years. This time, the (3) of the storm exceeded expectations.
This (4) of intense solar storm was caused by the eruption of a solar flare (闪光) and the ejection (喷发) of the solar coro
A. dominate
B. develop
C. damage
D. descend