【单选题】【消耗次数：1】
Theresearchissodesignedthatonce______nothingcanbedonetochangeit.
①
begins
②
having begun
③
beginning
④
begun
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相关题目
【单选题】
Theresearchissodesignedthatonce______nothingcanbedonetochangeit.
①
begins
②
having begun
③
beginning
④
begun
【单选题】
—When ____ the show ____?—It begins at 7 o’clock this evening.
①
does--begin
②
will--begin
③
is--beginning
④
is--going to begin
【单选题】
The actor opened the Bible and begins reading the Song of Solomon. Identify the mistake in the sentence.
①
actor
②
and
③
begins
④
reading
【单选题】
Having plenty of time, ____.
①
we needn’t to have hurried
②
there was no need for us to hurry
③
we didn’t need to hurry
④
hurrying was not necessary
【单选题】
Having been asked to speak at the convention __________
①
some notes were prepared for Dr. Smith
②
Smith prepared some notes
③
The convention members were pleased to hear Dr. Smith
④
Some notes were prepared by Dr. Smith
【单选题】
A good public speaker can _______ the audience (听众)at the very beginning.
①
convey
②
portray
③
exaggerate
④
hook
随机题目
【单选题】
粘性土地基上的条形基础，若埋深相同，地基的极限荷载与基础宽度、地基破坏类型之间存在的关系为（ ）。
①
基础宽度大、发生整体剪切破坏的地基极限荷载大
②
基础宽度小、发生整体剪切破坏的地基极限荷载大
③
基础宽度大、发生局部剪切破坏的地基极限荷载大
④
基础宽度小、发生局部剪切破坏的地基极限荷载大
【单选题】
土的强度实质上是土的抗剪强度，下列有关抗剪强度的叙述正确的是(?? ?)。
①
砂土的抗剪强度是由内摩擦力和内聚力构成的
②
黏性土的抗剪强度是由内摩擦力和内聚力构成的
③
碎石类土的抗剪强度是由内聚力构成的
④
在法向应力一定的条件下，土的内聚力和内摩擦力越大，抗剪强度越小