Silent and Deadly

　　1.題目：Which of the following is NOT true of ministrokes?

　　答案：A)The cause of them remains unidentified.

　　2.題目：To prevent ministrokes from turning into major strokes, it is important to

　　答案：C)seek prompt medical treatment.

　　3.題目：The passage indicates that the symptoms of ministrokes

　　答案：B)are frequently hard to recognize.

　　4.題目：All of the following may be signs of ministrokes EXCEPT for

　　答案：D)severe headache caused by external injury.

　　5.題目：It can be inferred from the passage that ministrokes are

　　答案：B)silent and deadly.

　　速記口訣：

　　無癥狀的卻致命的

　　1.原因未明不正確____________________

　　2.及時治療很重要____________________

　　3.小卒癥狀難辨別____________________

　　4.外傷頭痛要排除____________________

　　5.小卒無聲但致命____________________[衛(wèi)生類B]