AIMS: To evaluate a sleep study service for children suspected of having sleep related upper airway obstruction (SRUAO). DESIGN: Prospective survey. SETTING: Paediatric and ear, nose, and throat clinics of the Royal Free Hampstead NHS Trust. SUBJECTS: Consecutively referred children with SRUAO ...
1. 延续性动词 也有人叫它持续性动词，它表示能够延续的动作，这种动作可以长时间延续下去或产生持久的影响。英语中的延续性动词比较多，如study, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay等。He worked all day in the fields. 他在地里干了...
Dr. Yang has been doing a study on sports and sleep for years. He finds out that exercising in natural light (光) for half an hour every day can make people have better sleep and more energy (能量). Dr. Yang himself gets up at 6:30 a.m. Then he usually takes a walk outside ...
"try to do" 和 "try doing" 都是用来表示尝试做某事的意思，区别在于 "try to do" 强调尝试去做某事，而 "try doing" 强调通过尝试某个行动来解决问题或达到目标。在某些情况下，两者可以互换使用，但在语气和意义上会有些微的差异。try to do："try to do" 意味着尝试去做某事，强调的是目...
to sleep C. slept D. sleep[答案]A[解析]考查固定句型的用法。prefer doing sth. to doing sth. 比起做某事,更喜欢做某事,prefer后接动名词形式。所以选择A。[2013江苏淮安]12. At times, parents find it difficult ___ with their teenage children.A. talk B. talked C. talking D. to talk[答...
C. Get enough sleep. 9. Which can be included in Mrs. White's breakfast? A. Eggs. B. Sausages. C. Porridge. 10. What is the man? A. A teacher. B. A physician. C. A chef. 听下面一段较长对话,回答以下小题。 11. How does Nancy look to Daniel? A. Confused. B. Excited. ...
be动词后加 动词 ing形式 除了表示进行时，还能表示其他内容 具体如下：1.be doing 表现在进行时,正在做某事。例句：Tom is playing football now.2.be doing 也可以表示一般将来时,指最近将要发生某事。例句：The old man is dying.老人快要死了。3.be doing 后接always等表示频率性副词，常表达...
Four people entered the room looking around in a curious way. 四个人走进房间，好奇地环顾四周。 All night long he lay awake, thinking of the problem. 他整夜躺在床上无法入睡，思考着这个问题。 Don't you sit there doing nothing. 别什么也不干坐在那里。Driving through the countryside, we ...
While you might not know the answer, you will probably have a goal to learn so that you can remember the answer when studying!SleepA study show that sleep helps you to learn in two ways. An expert explains that's person with enough sleep can concentrate (集中精力) best."He also says,...
African-American female adolescents who engaged in vaginal sex only (N=272) were compared to adolescents who engaged in two types (vaginal plus oral or anal; N=295) and three types (vaginal, oral and anal; N=144) on a constellation of other sexual risk behaviors (SRBs) and on sexually ...