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【单选题】
The contract will be signed ____ the ceremony.A.
prior to
B.
by priority of
C.
previous of
D.
precious to
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皮皮学刷刷变学霸
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【单选题】It is said that he has and will arrive home in a few hours.
A.
be set free
B.
been set free
C.
be set out
D.
set off
【单选题】He ___ to break the record for the long-distance race.
A.
set out
B.
set off
C.
set up
D.
set down
【单选题】. Busy as he is, he ________ a few hours a week for physical exercise.
A.
set off
B.
set about
C.
set aside
D.
set away
【单选题】关于氧离曲线的叙述,不正确的是
A.
是氧分压PO2与血氧饱和度SO2的关系图
B.
该曲线表示不同PO2时,O2与Hb的结合情况
C.
氧分压值为横坐标,血氧饱和度为纵坐标
D.
氧离曲线的上段处于PO2较高的水平,是Hb与O2解离的部分
E.
可以通过血气分析仪对PO2进行定量分析
【单选题】We will set off after he finishes packing.
A.
set out
B.
set back
C.
set up
D.
set down
【简答题】习题1-13
【多选题】关于氧离曲线的叙述,正确的是
A.
是表示PO2与Hb氧饱和度关系的曲线
B.
曲线呈S形,与Hb的变构效应有关
C.
上段平坦,相当于Hb与O2结合的部分
D.
中段较陡,反映HbO2释放O2的部分
E.
下段最陡,代表了O2的贮备
【单选题】Each week he tried to _____________ a few dollars for an overseas trip.
A.
set apart
B.
set aside
C.
set about
D.
set out
【单选题】He ______ his new job with confidence.
A.
set out
B.
set about
C.
set off
D.
set down
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