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问题 词语辨析drill的用法

Laser beams can be used to _____ metals and other hard materials. It can also be used in operation.A.trimB.meltC.sliceD.drill这里为什么选D不选C呢？ 切割金属不可以吗？

问题 recommend sb. sth.用法疑问

My teacher recommended me a dictionary, and yesterday I bought a copy in town.CATTI三笔真题，为什么句中recommend sb. sth. 不能这样用？

问题 用one还是a的问题

Every “Number of freeze-thaw cycle” in the table corresponding to two samples including a/one parallel sample.这里应用用a还是one呢？

问题 thought of as用法

The Renaissance was theusually thought of as beginning with the accession of the House of Tudor to the throne in 1485. 这里的thought of as介词后面可以接as？

问题 way是否能与by搭配表示通过…方法

我们知道，in a ... way表示以…方法，是否可以用介词by？

问题 or还是and

Most of these  diseases have been around for many centuries, but only in the 20th century did doctors devise tests to identify them or medicines to cure them.请问这里为什么用or而是and，和倒装有关系吗，谢谢老师

问题 语法分析

Later , He didn't know from where another lizard appeared , with food in its mouth.问：问此处where的词性？ 按理说where此处引导know后的宾语从句应该是疑问副词，可是我们说表地点的副词前不是不加介词的吗？比如：go home.此处前加了from，则词...

问题 happy还是unhappy

Finding the humor in situations can also lead to happiness. Find a way to make light of a situation that would otherwise make you happy.我觉得最后的happy应该改为unhappy才通顺。“想办法看淡（缓解）本会使你不开心的一种境界。”

问题 of与for用法区分

语法填空中 The small balcony at his home in Beijing has become his studio *for instrument making这里的for为什么不能替换成of 呢 理解为阳台变成了乐器制造的工作室 

问题 两个where引导什么类型从句

That leads us to find patterns and connections both where they really exist and where they exist only in our minds.那两个where引导什么类型从句，they又指代什么?谢谢老师!

问题 副词修饰动词的位置

...前面或后面。比如：The children must learn how to behave properly in church.孩子们做礼拜时必须学会举止得当。He doesn't know how to properly tie a necktie.他不知道怎样正确系领带。

问题 动副词组的宾语分析

...还是整个动副词组的宾语？比如give the hope up，fill the form in，这些词组的宾语看成是整个动副词组的宾语，还是及物动词的宾语？

问题 比较结构than用法疑惑

They've been living in Haida Gwaii for thousands of years longer than Canada has been a country.请问老师：longer than连接2个独立句，longer是什么词性？longer than…是做什么成分？麻烦老师分析一下句子。

问题 over的理解

Although unpleasant social comparisons and materialistic arms races can be commonplace in the realm of possessions, it may be easier for people to find common ground and connect with someone else over their similar experiences.这句话的最后的over怎么翻译比较好？还有arms races?

问题 economies,economics,economic,economy辨析

China is one of the world’s fastest-growing __________ and attracts the attention of international businesses from all over the world.A. economies       B. economicsC. economic        D. economy选A还是选D？