患者，男，35岁，腹痛腹泻反复发作5年，食欲不振，恶心，呕吐，发热，腹痛位于左下腹，压痛，X线检查可见结肠黏膜紊乱，结肠袋形加深，肠壁痉挛，溃疡所引起的外廓小刺或锯齿状阴影，应首先考虑
A. 肠伤寒
B. 肠结核
C. 痢疾
D. 溃疡性结肠炎
E. 克罗恩病
查看答案
Businessmen make most of their income from profit（）by producing and selling products.
A. earning
B. is earned
C. earn
D. earned
（）, we decided to go swimming in the sea.
A. It being a fine day
B. The day was fine
C. It was a fine day
D. Being a fine day
若借阅证不慎丢失，应如何处理
A. 进入“我的图书馆”主页，在页面左边点击“读者挂失”，然后在输入框输入借阅证密码，点击确定按钮，即可完成挂失操作。
B. 借阅证不慎丢失就算了。
C. 借阅证不慎丢失后，可以拿同学的借书证借书。
D. 以上三者均错
She apologized（）the mess she had made, but her parents were still very angry.
A. at
B. on
C. with
D. for
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