Cathy said she speak four languages.[ ]
A. may
B. could
C. would
D. can
答案：B
胸部损伤中对呼吸和循环生理危害最显著的是（）
A.开放性气胸
B.纵隔及皮下气肿
C.张力性气胸
D.闭合性气胸
“增信保”个人跨境担保业务发放贷款的币种与保函一致，建亚按保函金额的（）%（最高）发放贷款。
A.80
B.90
C.95
D.100
