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【单选题】
患者,25岁,先天性心脏病,心功能II级,现妊娠足月入院待产。该患者整个妊娠和分娩过程中心脏负担最重的时期是A.
孕12
B.
孕13～28
C.
孕36～40
D.
第二产缩时
E.
产后72小时后的每次哺乳时
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举一反三
【单选题】To mneuver a drone up, down, sideways or forward require three main communication links. Please match the name of the syntactic feature with the sentence.
A.
Nominalization
B.
Passive voice
C.
Non-finite forms of verbs
D.
None of the above
【简答题】Skim the Text 1: How Barack Obama Became the First African American, and finish the folloing exercise: 1 What is the pattern of details of this text ? 2 Please divide the text into 3 parts. 3 Try to l...
【单选题】Doing eye exercises is good for your health.You'd better ( ) it every day.
A.
do
B.
not do
C.
to do
D.
not to do
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【单选题】We need to keep doing exercise every day, ______ it is sometimes very cold outside.
A.
so
B.
or
C.
although
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【简答题】Please name at least three of the main factors to select a fuel oil.
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