消化性溃疡的发生一般与下列哪项无关
A. 胃酸分泌过多
B. 长期服用阿斯匹林
C. 幽门螺杆菌感染
D. 自身免疫损害
十二指肠溃疡比胃溃疡
A. 浅小
B. 癌变
C. 发病率低
D. 不易出血
Directions: You’ve just been to the doctor’s. she diagnosed you with a chest infection and recommended that you spend the rest of the week at home. Write a sick note to your college lecturer.Choose the correct sentences to fill in the writing below.Dear Professor Ray,I am really sorry, 1 . I’ve just been to the doctor’s and 2 . She suggested that 3 . I’m feeling really tired at the moment, and I can’t stop coughing, but hopefully45 .Yours sincerely,SusieA.I should stay at home for the rest of the weekB. but I won’t be able to come to your classes for the rest of the weekC. she diagnosed me with a chest infectionD. I will be well enough to study next week.E. I’ll make sure I catch up when I get back
【单选题】创建自定义的一个内容提供者,其名为MyContentProvider,则其下哪个是正确定义。
A. public class MyContentProvider
B. public class MyContentProvider extends ContentProvider
C. public class MyContentProvider extends ContentResolver
D. public class MyContentProvider extends SqlOpenHelper