GRE考试

【单选题】SentenceCompletion
While the disease is in state it is almost impossible to determine its existence byA．a dormant...postulate
B．a critical...examination
C．an acute...analysis
D．a suspendeD、..estimate
E、a latent...observation

网考网参考答案：E
网考网解析：
A disease in a latent state has yet to manifest itself and emerge into view. Therefore it is impossible to observe. Remember, in double-blank sentences, go through the answers, testing the first word in each choice and eliminating those that don’t fit. When a disease is in a critical or acute state, its existence is obvious. Therefore, you can eliminate Choices B and C. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>