要知道促成降雨的积雨云高度一般在几百到几千米高度之间。 不妨假设雨滴从2000m的高空从静止开始降落,由于不计阻力。根据重力加速度公式,可以得到最终速度v与下落高度h之间的关系是,当高度h=2000m,可得雨滴最后的速度是200m/s,这个速度...
1.从交际功能上说,两者很多时候表达的意图是一样的,是问话者想要了解一个现象,通常这个现象是不同寻常的,比如a symptom/syndrome、a problem或a trouble。 2.从字面语义上说,What happened?询问发生的情况或事发经过,在回答的时候经常需要使用过去时态,比如"My ...
In this case, the covered event is a flood. In order to get a payout, you’ll need to file a claim with your flood insurer. You can usually do this by calling the company or agent who sold you the policy. You’ll need to report the date the flood happened and provide details ...
Bronze Age Collapse - 1,200 BC - What Happened to the Sea People?
As the two meet by chance in the terminal and must wait for a break in the weather, the two converse catching up on what's happened in the intervening 25 years rekindling old sparks and opening old wounds.What Happens Later marks the return of actress Meg Ryan to acting having taken a ...
没有what is happened,happen无被动语态,是what has happened,可能到现在仍在持续;what happened是怎么了,发生了什么的意思,强调已经发生并结束,是过去时what up不规范,只是美剧里有人的口头禅,可理解为怎么了;what's up就是问对方近来如何,有点像中文里的“最近怎样”,通常没什么事就会回答"Not much"或者"Noth...
Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play (1) an event takes place, newspapers are on the streets (2) the details. Wherever anything happens in the world, reporters are on the spot to (3) the news. Newspapers ...
What happened in 1215? ( )What happened in 1215? ( )A. It was the year of Norman Conquest in British history.B. Forced by barons, King John signed the Magna Carta.C. Henry IV granted the Commons the power to review money grants.答案：B ...
百度试题 结果1 题目( C )3. What happened at noon yesterday?A BC 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
单项选择题 What happened in June last year A.It was extremely cold in the northeast.B.It was extremely windy in the northeast.C.It was extremely hot in the northeast.D.It was extremely rainy in the northeast. 点击查看答案手机看题 你可能感兴趣的试题 单项选择题 What is the possible relatio...