Even if the first mission does end up in a fireball, though, the Falcon Heavy's extra capacity and the savings from recyclability mean that if and when it works reliably, the costs of getting big objects into space could fall by an order of magnitude from those of the Delta IV Heavy. Indeed, the...
Every “Number of freeze-thaw cycle” in the table corresponding to two samples including a/one parallel sample.表中每一个冻融循环次数对应两个样本，包括一个平行样本，我是想问这里的一个，用a好还是one好？我是想前面用了two后面是不是用one好一...
"and one teeny faded blue piece, aboutthe size of a penny matchbox, that was from grandpa's uniform that he wore in the civil war" 这个句子逗号后面的that引导的是限制性定语从句吗？
...内单词的正确形式。Whenever I tell people that I teach English at the Berlin
Zoo, I almost always get a questioning look. Behind it, the person is trying to
figure out who exactly I teach…the animals? Since June 2017, right before the ___36___ (arrive) of thetwo new pandas,
Meng Meng and ...
...;in food proteins is fairly constant at about 16%. 2.This allows protein quantitation to be done onthe basis of nitrogen analysis. 3.When the nitrogen is quantified, the value is multiplied by a factor of 6. 25 to determine the estimated protein concent...
1.Tom is the brighter of thetwo boys.2.Of thetwo boys ,Tom behaves the more politely.请问1句中的brighter可以理解为名词吗(类似the best)?2句这个比较结果怎么理解? 为什么中间加了一个the? (tom behaves more politely 这样写不对吗?)
...天迪克逃学，溜进游戏室，最少挥霍掉了20美元。●Many students in
our institute like eating junk
food; for
instance, instant noodles. 我们学院的很多学生喜欢垃圾食品，例如方便面。●The kit consists of drills which differ
from one another. 这套工具由不...
...urous, trying different foods and talking to
strangers.People love to talk aboutthemselves. If you can
start the conversation with a question other than “What do you do for a
living?”, you’ll be able to get a lot more interesting conversation out of
whomever it is you’re talking to. ____37 ...
Lesson 19Sold outWhen will the writer see the play? 'The play may begin at any moment,' I said. 'It may have begun already,' Susan answered. I hurried to the ticket office. 'May I have two tickets please?' I asked. 'I'm sorry, we've sold ou...
1.If I knew the test was so hard, I would be spending more time studying . 2.She said she would be looking after you.请问这2虚拟句里，为什么原句都不是用would spend / would look after，而用进行时，我觉得一般时不是更通顺吗，原句的意思怎么翻译才能体现...
... to choose, David would be _______ choice.
A. good B. better C. the better D. the best
2. —Have you decided which you'd like to buy, the black shirt or the pink one?
—Of thetwo, the pink one is_________.
A. the nicest B. the nicer C. nice D. nicer.
对...