...子来自浙江大学外语教研室的《实用科技英语语法》 ：A light beam that consists of light of all wave lengths gives a continuous spectrum. 光束如果包含了各种波长的光就会呈现出连续光谱。不太明白译文中的“如果”是怎么来的，原文中并...
As we_______ for that small mountain village, it_____to snow.A. set off; began B. were setting off; began这题的答案是 B. 但set off 在这里是启程，出发的意思，感觉是瞬间动词，没有延续性。请问老师应该选A还是B？是不是答案错了？
Redisallows to set a time to live different for every key so that the key will be automatically removed from the server when it expires.求解惑，为什么不是to set a different time to live ...
In fact you knowit was a Filipino woman former senator Laticia Ramos-Shahani who, with a Russian delegate, was the one who drafted er the basic paper which the UN adopt.drafted er the basic paper,这里的er是印刷错误吗，还是表达什么意思？
The air exploded in blinding light and color, the rays shooting outward as in a child's drawing of the sun, and Kaz was flung to the ground so violently that her two front teeth broke off; in a child's drawing of the sun中的of是什么用法？有draw of这种搭配吗？
All substances, ______, liquid or solid, are made up of atoms. A be they gasesB whether they are gasesC they are gasesD they can be gases为什么选A? B为什么不行?
He was in a very good mood until lunchtime, when he thought he'd stretch his legs and walk across the road to buy himself a bun from the baker's opposite.问题：1.when引导的从句做什么成分，且这个从句在全句中，如何准确合理地去翻译2.the baker's是个什么具体的表...
They
were already a political force to be reckoned with . 他们已经成为一支不容忽视的政治力量这里的reckon是不及物动词，所以要加介词with吗？reckon
with 是什么意思呢？好像上句也可以用主动态而含义不变 =
They were already a political force to re...
The items exhibited are well worth ______, and attracted large crowds
of visitors in the past few days.A. seeing B. to be seen为什么标准答案是B呢？我理解是Aare worth seeing 主动形式表被动含义呀？
In
1962, he was chosen to become an astronaut. In 1966, he went into space as
command pilot of Gemini 8.He
and David Scott manageed to join two spacecraft together for the first time in
space. (he=Neil Armstrong)...He
said the famous words "One small step for (a) man, one giant leap for
mankind" a...
我们都知道祈使句加and这个结构，比如说 Think it over and you will find the answer.但是这种用法省略掉了and，还对吗？比如 Do a test，you will find out. 就像这样，如果没有and了，还成立吗？是否应该是 doing a test，you will find out？
这是个对话，想请教你，Which reminds me,是省略了前面的主句吗？Mild China 什么意思?And we also need to push the DVDs. Customers can get twenty percent off when they buy a guidebook and a DVD together.Which reminds me, did you bring that extra box of the “Mild China” DVDs?
如题：They a football game from 7 to 9 last night. （watch）答案是were watching。不过我认为watched也说得通：watch a football game这整个延续性动作从7点开始，到9点结束，全部发生在昨天。所以watched到底可不可以呢？