题目内容
（请给出正确答案）
[主观题]
Lei Feng is famous, because he was ready ______ helping others.A．forB．asC．with
Lei Feng is famous, because he was ready ______ helping others.
A．for
B．as
C．with
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下列对壶腹癌的描述，错误的是
A、常发生于十二指肠乳头或胆总管壶腹部
B、肿瘤一般较小
C、早期即可引起胆道梗阻
D、均累及胰头
E、常伴胆总管和胰管扩张
