丙烯腈为无色无味透明的液体。
参考答案:错
He aimed at finding some workable ______ with a man who was a celebrity not only in the inward-reflecting world of Oxford but in the larger world outside.
A.neighborhood
B.workmanship
C.relationship
D.craftsmanship
哪种疾病可见Kayser-Fleischer环()
A.帕金森病
B.肝豆状核变性
C.重症肌无力
D.急性感染性多发性神经根炎
E.小舞蹈病