斯氏狸殖吸虫感染的主要临床特征是()
A.脑脊髓膜炎
B.肺部感染
C.游走性皮下包块
D.肠穿孔
E.胸腔积液
参考答案:C
内部招聘的最大弊端在于()。
A.打击落聘人员士气
B.近系繁殖
C.新领导人缺乏权威性
D.产生内部矛盾
John was to learn the news that he was rejected by the firm.
A.cast down
B.cast off
C.cast up
D.cast away