聚苯乙烯是______(填“有”或“无”)极性基团的,链节结构______(指是否对称)的______性高聚物(定性说明其是否有极性、极性强弱)。它可溶于______等溶剂中(填溶剂名称)。
第1题
A.duodenum, jejunum, ileum
B.duodenum, ileum, jejunum
C.ileum, duodenum, jejunum
D.jejunum, duodenum, ileum
第2题
A.cecum
B.duodenum
C.rectum
D.appendix
E.jejunum
第3题
A、pylorus
B、angular notch
C、transverse part of duodenum
D、duodenojejunal flexure
E、left colic flexure
第4题
A.ileocecum
B.duodenum
C.rectum
D.appendix
E.jejunum
第5题
A、suspensory ligament of the duodenum
B、major duodenal papilla
C、pyloric canal
D、angular incisure
第6题
I made up my mind that under no circumstance______(我会同意) to give up my company.
第7题
A.A.more, make up of
B.B.another, be made up of
C.C.some, made up of
D.D.another, make up
第8题
I don't think he has made up his mind to tell the ______ to his mother. (true)
第9题
I have made up my mind to go back to () I lived when I was young to work.
A、which
B、where
C、who
D、what
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