A、Fe(OH)3 B、Cu(OH)2 C、Al(OH)3 D、Ba(OH)2 免费查看参考答案及解析 题目: Jack___hisbikeandhurthislegyesterday.( ) A、felldown B、falloff C、felloff D、falldown 免费查看参考答案及解析 题目: Ice-cream good,butit'snotgood ourhealth.( ) A、feels;at B、looks;for C、tast...
There are 24 hours in a day. If it is 3 pm now, what time was it 5 hours ago? A. 10 am B. 11 am C. 12 am D. 1 pm 相关知识点: 试题来源: 解析 B。本题考查时间的计算。现在是下午 3 点,5 小时前是上午 11 点。A 选项是上午 10 点错误;C 选项是凌晨 0 点错误;D 选...
A sundial shows the true or apparent solar time. Because the Earth's rotation is not constant,solar daysvary slightly in length. This means that the speed of true solar time is not constant. Mean Solar Timeis based on the length of ameanoraveragesolar day, which is 24 hours long. It ...
The meeting began at 10 am and lasted for three hours. What time did it end? A. 1 pm B. 13 pm C. 11 am D. 12 pm 相关知识点: 试题来源: 解析 A。解析:十点开始,三小时后结束,是下午一点。B 选项十三点表达错误;C 选项十一点太早;D 选项十二点不对。
The main weakness of the 12-hour system is a widespread confusion about which abbreviation should be used for noon and midnight: neither moment can logically be identified as before noon (am) or after noon (pm). For example, the moment of midnight occurs precisely 12 hours after noon on th...
3. What is Jane doing now? A. Listening to music. B. Finishing her homework. C. Preparing for an exam. 4. Why does the woman feel sad? A. Her holiday is canceled. B. She’ll leave the town. C. The weather isn’t sunny. ...
It is a litt le 3 t han t hat in China. We usually have forty of forty-five minutes in ea h lass. A not her differen e is t hat t hey have less break time between 4 . Besides, alt houg h ( 虽然) most s hools in both ount ries finish t heir 5 lasses at 12 o lo k,...
The 24-hour clock is used in some countries where the hours go from 0 to 23. When we tell time, we use words like "o'clock," "half past," "quarter past," and "quarter to." For example, if it's 3 o'clock, we say it's "three o'clock." If it's 5:30, we say it's ...
That is a question we would love to have the answer to. We currently don’t know because our best theories of space and time break down if we follow the universe to its very beginning. So, as we look back at the history of the universe, the further into the past we go, the smalle...
How many hours does Tom sleep a day? Why does the man thank the woman? Which of the following is true? 3.推测谈话背景,辨认角色关系 这类试题在高考听力试题中约占5小题,要求我们从谈话或说话的话题和语气来推断出对话双方(或说话人)的职业身份,彼此之间(或与他人)的关系,对话发生的时间、地点或场合...