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【单选题】
关于的注意事项,以下说法不正确的是:( )A.
因灸法施治时间较长，所以选择体位要求平稳舒适
B.
炷放置平稳，燃烧时火力集中，热力易于深透肌肉为准
C.
炷点燃后，用口将其吹旺，促其快燃，火力较猛，快燃快灭，当患者有灼痛感时，迅速更换炷再灸，灸治时间短，壮数较少，灸毕不按，称为的泻法。
D.
炷点燃后，待其徐徐燃尽，火力缓慢温和，时间较长，壮数可多，灸炷便用手指按一会位置，称为的补法。
E.
其余选项说法均不正确
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【单选题】There were no roads accessible to the earthquaks—stricken town and food_________had to be dropped by parachute.
A.
chains
B.
resources
C.
supplies
D.
feasts
【单选题】Because all the roads leading to the mountain village ______, the rescue workers were not able to reach it to help. [ ]
A.
were blocked
B.
are blocked
C.
have been blocked
D.
had been blocked
【单选题】There _______ a lot of _______ on the roads yesterday.
A.
was , traffic
B.
were , traffics
C.
was , traffics
D.
were , traffic
【单选题】设函数f(x)在(0，＋∞)内具有二阶导数，且f(x)＞0，令un＝f(n)(n＝1，2，…)，则下列结论正确的是
A.
若u1＞u2，则{un2}必收敛．
B.
若u1＞u2，则{un}必发散．
C.
若u1＜u2，则{un}必收敛．
D.
若u1＜u2，则{un}必发散．
【简答题】The narrow roads were______(crowd) with holiday traffic.
【单选题】设函数f(x)在(0,+∞)内具有二阶导数,且 ,令 ,则下列说法正确的是( )
A.
若u1>u2,则 必收敛
B.
若u1>u2,则 必发散
C.
若u1 必收敛
D.
若u1 必发散
【简答题】设函数u=u(x,y)的全微分du=[e x +f'(x)]ydx+f'(x)dy，其 中f在(-∞，+∞)内具有二阶连续的导数，且f(0)=4，f'(0)=3，求f(x)及u(x,y)
【单选题】The Greeks were not interested in building roads because ______.
A.
they didn't want the city-states to be dependent on one another
B.
they thought the roads between the cities were not good enough
C.
they liked the natural landscape full of mountains
D.
they could easily reach other lands by sea
【单选题】_______ the roads were slippery, drivers should exercise their extreme caution to avoid traffic accidents.
A.
However
B.
Despite
C.
For
D.
Since
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