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举一反三
【单选题】Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, a...
A.
the history of computers
B.
the different functions of computers
C.
the computer in the 21st century
D.
scientific breakthroughs in the 21st century
【单选题】符合胎盘植入超声描述的是( )。
A.
胎盘内多发血管腔隙
B.
伴湍流的血池
C.
穿透膀胱者膀胱子宫浆膜交界面出现过多血管
D.
胎盘周围血管明显扩张，且粗细不规则
E.
以上均包括