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问题
单项选择题
胰腺囊肿和实质性肿块最好的超声鉴别方法是（）
A.M型超声
B.B型超声
C.A型超声
D.彩色多普勒
E.超声造影
答案
参考答案：
D
判断题
不同企业之间的待核查账户经企业申请后可以划转。
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选择题
— He is a doctor and his brother is a doctor, too.
— You mean both he and his brother _______ doctors, right?
A. is
B. be
C. are
D. was
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