【单选题】【消耗次数：1】
Big changes have taken place at Marketing Department the new manager came.
①
before
②
after
③
since
④
while
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相关题目
【单选题】
Its the second time that I __________ in Shanghai ！ What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
①
have been ； left
②
had been ； left
③
have been ；had left
④
went ；had left
【单选题】
I came to?Beijing?in 1991 and have been ?[填空] here ever since.
①
live
②
lives
③
lived
④
living
【单选题】
Before he came to New York, he had never heard a single English word（）.
①
speak
②
to speak
③
spoke
④
spoken
【单选题】
It is an ____ change that has taken place.
①
amazing
②
attempting
③
awaking
④
amusing
【单选题】
Our manager will look into the matter as soon as possible. Just have a little ____ after an operation.
①
wait
②
time
③
patience
④
rest
【单选题】
Before the final examination, many students have shown ___ of tension. Some have trouble in sleeping while others have lost their appetite.
①
anxiety
②
marks
③
signs
④
remarks
【单选题】
The manager came over and asked the customer how ___.
①
did the quarrel came about
②
the quarrel had come about
③
had the quarrel come about
④
had the quarrel come about
【单选题】
As the bus came round the comer, it ran _______ a big tree by the roadside.
①
over
②
on
③
into
④
up
随机题目
【单选题】
上下颌磨牙的主要区别不正确的是（）
①
上颌磨牙牙冠牙合面呈斜方形；下颌磨牙牙冠牙合面呈长方形
②
上颌磨牙牙冠近远中径大于颊舌径；下颌磨牙牙冠颊舌径大于近远中径
③
上颌磨牙牙冠较直；下颌磨牙牙冠倾向舌侧
④
上颌磨牙的颊尖锐而舌尖钝；下颌磨牙的舌尖锐而颊尖钝
⑤
上颌磨牙多为三根；下颌磨牙多为双根
【单选题】
关于上颌第一磨牙的髓腔形态的描述不正确的是（）
①
髓室颊舌中径大于近远中径大于髓室高度
②
髓室顶形凹，最凹处约接近牙冠中1/3
③
近颊髓角和近舌髓角均接近牙冠中1/3
④
远颊髓角和远舌髓角均接近牙冠颈1/3
⑤
近颊根管为双管型或单双管型者共占63％
【单选题】
关于下颌第一磨牙的髓腔形态的描述不正确的是（）
①
髓室近远中径大于颊舌径大于髓室高度
②
髓室顶形凹，最凹处约与颈缘平齐
③
舌侧髓角高度约近牙冠中1/3
④
颊侧和远中髓角较低，位于牙冠颈1/3或颈缘附近
⑤
近中根管为双管型者占13％