well-suitedtotravelersofallbudgets.Foodis cheap,soisgettingaroundusingtheminibuses. Youcanfindhostelsandlocalhomestaysforless than$10.Mealscost$4—$8perday. Romania,$33/day IfyouareplanningaEuropeantripthat?saffordableandalittlebitoffthebeatenpath,Romaniais perfect for you.Unlike other popular places...
解析 It's to learn关键词(句):difficult:难的learn:学习翻译:数学很难学。由于句子没有明确的时间截点,只是表达一个客观的事实,所以选择用一般现在时。原句中主语是math,同义句中用it's做形式主语,把真正的主语math放在了句末。 结果一 题目 1.Math is difficult to learn.(改为同义句) difficult_ . ...
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lot in class this morning.She wasbusyshe didn't4.Everyone is different from others.We don'thave enough time to look after the child.have to be anyone but五、阅读下面短文,根据其内容完成文后的5.-The“April snow”is here!It's not real表格。(每空答案不超过3个单词。)(每小snow,of course...
Let’s look at the definition of interval in Math.An interval is a gap between two things or points. Let’s understand this better. How are these two lines different? The first line is continuous, and the second line has gaps.What is the difference between the emergency flashing light of...
LQR is a type of optimal control based on state-space representation. In this video, we introduce this topic at a very high level so that you walk away with an understanding of the control problem and can build on this understanding when you are studying the math behind it. This video wi...
What is Variables?In real-life there are things that remain constant like your date of birth. However, there are things that vary with time and place like temperature, age, height etc. Since these quantities change they are may be called variables. ...
C. My like subject is math. D. My best subject is math.答案:A解析:选项B:“I favorite subject is math.”存在语法错误。正确的说法应该是“My favorite subject”,这里缺少了形容词性物主代词“my”,不能直接用“I”。 选项C:“My like subject is math.”中“like”是动词,不能用来修饰“subject...
10、 连续数例 1:In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?(A) 585 (B) 580 (C )575 (D)570 (E) 565例 2:If n is an integer greater than 6, which of the following mus...
What is the average rate of change ofh(x)=110−xh(x)=110-xover the interval5≤x≤85≤x≤8? 将h(x)=110−xh(x)=110-x写为等式。 y=110−xy=110-x 运用平均变化率公式代入。 点击获取更多步骤... 函数的平均变化率可通过计算两点的y的变化值除以两点的x变化值来求得。