制作热控盘（台、箱、柜）及设备底座时，底座尺寸偏差、对角线偏差两个检验项目“合格”质量标准均为小于或等于（）mm。
A、3
B、4
C、5
参考答案：A
女性，55岁，诊断为特发性血小板减少性紫癜，经泼尼松治疗1年后，血小板加×109／L，但仍在维持服用泼尼松30mg／d
该疾病发病的最主要机制是（）
A.凝血功能异常
B.血小板功能异常
C.自身免疫引起
D.脾脏
句子转换.
1. Where is your pen pal from?
Where _______ your pen pal _______ from?
2. How was the weather last weekend?
_______ was the weather _______ last weekend?
3. We have many rules in our school.
_______ _______ many rules in our school.
4. My sister is thin with blonde curly hair.(就划线部分提问)
_______ _______ your sister _______ _______?
5. You can't talk loudly in the library.(改为祈使句)
_______ _______ loudly in the library.
