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【单选题】
早期诊断双胎妊娠最可靠的依据A.
B型超声诊断
B.
多普勒胎儿仪检查
C.
β-hCG
D.
尿E3值
E.
L/S比值
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举一反三
【单选题】In the 21 st century, all nations must take their ________of responsibility for the global safety.
A.
blame
B.
charge
C.
share
D.
notice
【单选题】The boxes must be stong enough to withstand transport __________ very bad roads
A.
along
B.
for
C.
in
D.
over
【单选题】Effective July st, all supply requests must be approved by a supervisor and ____in writing to the supply officer.
A.
advised
B.
submitted
C.
urged
D.
complied
【多选题】The information in the boxes of the SLI must contain(. )
A.
shipper
B.
consignee
C.
notify party
D.
marks and numbers
【简答题】In the 21st century, all nations must take their ________of responsibility for the global safety. A．blame B．charge C．notice D．share
【单选题】The boxes must be strong enough to withstand transport __________ very bad roads.
A.
along
B.
for
C.
in
D.
over
【简答题】在正交平面内度量前角γo是_____与____的夹角。
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