英语填空题急求解释

More sleep in old age, however, is 50.         with better health, and most older people would feel better and more 51.       if they slept for longer periods, he said.

[名词解释] 填空题

[主观题]英语四六级填空题目"It's53.amyththatolderpeopleneedlesssleep.Themorehealthyanolderadultis,themoretheysleepliketheydidwhentheywere54..Ourdatasuggeststhatolderadultswouldbenefitfrom55togetasmuchsleepastheydidintheir30s.That's56.frompersontoperson,bu

[主观题]英语四级完形填空题占全卷的多少分?

[主观题]MRI乳腺扫描常用：()。(填空题)

[主观题]F．SE序列的优点：()。(填空题)

[判断题] 填空题是主观题型。A . 正确B . 错误

[判断题]客观性试题主要有选择题、是非题、匹配题和填空题，其中填空题应用最为广泛。（　）A.对B.错

[单选题]脑梗塞模糊效应期：()。(填空题)

[主观题]一道想不透的英语四六级填空题 请有经验的人来解答Whileelderlypeople47.tosleepforfewerhoursthantheydidwhentheywereyounger,thishasa48.effectontheirbrain'sperformanceandtheywouldbenefitfromgettingmore,accordingtoresearch.

[主观题]血流呈高信号的原因：()。(填空题)