He has made another wonderful discovery, _____ of great importance to science.
A. which I think is
B. in which I think it is
C. which I think it is
D. of which I think it is
查看答案
女，25岁。四肢皮肤瘀斑2周。血常规：Hb80g/L，RBC2.6×1012/L，WBC1.5×109/L，Plt5×109/L，Ret0.004。最可能的诊断是（）
A. Evans综合征
B. 骨髓增生异常综合征
C. 特发性血小板减少性紫癜
D. 阵发性睡眠性血红蛋白尿
E. 阵发性睡眠性血红蛋白尿
The manager gave her his _____ that the complaint would be investigated.
A. admission
B. allowance
C. assurance
D. insurance
提高组织效能包括（）
A. 提高效率
B. 提高质量
C. 提高效益
D. 增强成员的满意度
E. 承担更多的社会责任
The equipment _____ out of order, the experiment has to be put off.
A. has been
B. being
C. is
D. be
微信支付 
支付宝支付