妄想是能够通过客观事实说服的信念。 ( )
参考答案：错
Tom is an honest boy, _____ he told a lie this time.[ ]
A. but
B. however
C. though
D. so
50kg体重的正常成人，其体液量和血量分别为（）.
A.25L和2.5L
B.30L和2.5L
C.30L和4L
D.25L和3L
E.30L和8L
