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【单选题】
彩色多普勒血流显像的特点，哪错误的（）A.
血流方向朝向探头，显示红色
B.
血流方向背离探头，显示蓝色
C.
动脉血流显示为红色
D.
出现湍流为混合色
E.
血流速度高显示亮度大
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举一反三
【简答题】云滴的增长,主要有两种方式( )和( )。
【多选题】下列图片涉及身体美学的商品化问题，其中所谓的身体美学商品化是（2.6）【图片】【图片】
A.
身体是必需花钱美化的。
B.
美化身体的成本是可以量化的。
C.
花钱越多，身体美化程度越高。
D.
只有女性，才需要花钱使身体美化。
【单选题】Her parents won't allow her to marry anyone _____ family is poor. [ ]
A.
who
B.
his
C.
whose
D.
which
【简答题】He was hoping to go abroad; but his parents __________ that they won’t support him unless he can borrow money from the bank. A．were deciding B．have decided C．decided D．will decide
【单选题】He was hoping to go abroad but his parents ________ that they won’t support him unless he can borrow money from the bank.
A.
were deciding
B.
decided
C.
have decided
D.
will decide
【简答题】大气中,云滴增长形成雨滴的过程主要有两种方式:____________和____________。
【简答题】工程流体力学的主要研究方法有( )方法、 ( )方法、 ( )方法、
【单选题】Mike didn't ________ his parents and friends _ , he won the first in the competion. [ ]
A.
let; down
B.
make; happy
C.
keep; clean
D.
make; down
【单选题】He will go to the mountains with his parents if it next Sunday.
A.
won’t rain
B.
doesn’t rain
C.
isn’t rain
D.
will rain
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