结核性腹膜炎常见的并发症是()
A.肠穿孔
B.肠瘘
C.营养不良
D.肠梗阻
E.肠出血
参考答案：D
—Hi, Daniel. Have you finished your maths homework?
—Not yet. I _______ it tonight. [ ]
A. finish
B. finished
C. have finished
D. am going to finish
微型黑洞是哪个国家的科学家提出来的（）
A、俄国
B、美国
C、英国
D、德国
