我国最早用膏摩方法防治疾病是在()
A.秦汉
B.宋代
C.元朝
D.隋唐
参考答案:A
根据句意,用括号内所给单词的适当形式填空。
1.The students are learning how _______out theMaths problem.(work)
2. I felt even _______today than yesterday.(bad)
3. What about _______ (play) football?
4. We can learn a lot from _______ (hero).
5. We enjoyed _______ (we) at the party last Saturday evening.
在对表面数据进行读写前首先必须执行下面哪个操作()
A、执行GetDesc操作获取表面的描述信息
B、执行GetDeviceCaps操作对主显卡进行初始化
C、执行LockRect操作获取指向表面存储区的指针
D、执行CreateDevice操作创建相应的D3D设备