...ommon “m” and “a” to the rare clicks of some southern African languages. But why are certain sounds more common than others? A ground-breaking, five-year study shows that diet-related changes in human bite led to new speech sounds that are now found in half the world’s languages.More than ...
...：They ( ) just ( ) asleep when suddenly the telephone rang.答案是：They were just falling asleep when suddenly the telephone rang.(2) 用动词cancel的正确形式填空：He ( ) the trip at the travel agency when they met for the first time.答案是：He was can...
...nt. The earth is known to go through cycles;the past has never produced an age of so much so much industrialization causing(就是这里) the pollution currently being experienced(就是这里). A major source of the problem is the increase in carbon dioxide levels but ,other gases, such as,sulphur ...
...e electrodes, vary in diameter from 0.3to 5cm, with most being in the 1 cm range. Human skin tends to have a very high impedance compared with other voltage sources. In any event, one must treat surface electrodes as a very high impedance voltage source- a fact that seriously influences the design o...
...“modern” in the mid-first millennium BC, during the so-called “Axial Age”, the period in which figures such as Plato, Buddha and Zoroaster appeared on the scene, promulgating moralising ideologies.请问老师冒号后的that societies中的that不是引导主语从句吧，那这里为什...
...语单词“多义并记”
A.
初中需掌握的初中多义词
1. An orange is orange. 橙子是橙色的。
2. First, let’s study the first lesson. 首先，我们学习第一课。
3. The ruler came along with a ruler in his hand. 那个统治者手里拿着一把尺子走来了。
4. In ...
... colon. A further example：The man has been drinking heavily：this，not age，explained his unsteady walk.[3]Here the pronoun this refers back to the whole of the preceding clause ('the fact that the man had been drinking heavily'). Sometimes the relationship is more indirect and subtle, howev...
so that even if you do spend time outdoors, your face is less likely to give away your age. spend time outdoors. outdoors是形容词吧 ，，为什么放在time名词后面。v+noun+outdoors？这啥用法，宾补吗？
...想问下这句话的父母为什么不用特指，This is a big problem aged parents will face. 这里用the暗示所有上了年纪的父母不是更好些么？还有我看到很多红包的封面上写着best wishes to you，为什么这里不用the best wishes 暗示所有最好的祝愿呢？
...riginate老师，这个题的A和C是不是都可以？题目2：The Space Age ______ in October 1957 when the first artificial satellite was launched by the Soviet Union.A. initiated B. embarked C. originated D. commenced老师，A，C，D它们之间怎么区分？
...the colder the temperature gets, the 59____________(hot) the spring! Strange, isn’t it? But that’s how nature is — always leaving us 60____________(astonish).What comes next is the endless series of steps. You can’t help wondering how hard it 61____________ (be) for the people then...
...
I always had been the person who achieved things before anyone else at my age.(2)
Making a dent in the Internet and generally doing stuff before everyone else makes you a pioneer.请教老师们：第一句before
anyone - 肯定句中，使用了非肯定词anyone，而没有使用everyone ？第...
... banned texting by drivers, and public
service campaigns have tried a wide range of methods to persuade people to put
down their phones when they are behind the wheel. 翻译：在过去的七年里，大多数州都禁止司机发短信，一些公共服务活动也尝试了各种方法来说服人...