肾上腺营养不良的脑白质改变主要发生在（）
A.双侧额叶
B.双侧顶叶
C.双侧枕叶
D.单侧额叶
E.单侧顶叶
参考答案：C
补全对话。
A: Hi, Li Lei, come and 1._____ soccer with me.
B: Sorry, I can't.I 2_____ 3_____ do some washing first.
A: Oh, do you have to?You 4_____ do it after supper.
B: Well, I'm afraid not.Yesterday my mother asked me to 5_____ my clothes.
A: All right, I'll ask Tom to go with me.Is Tom 6_____ home?
B: Yes, he is. But he can't come today.His mother is ill.He 7_____ 8_____ go to the hospital
to 9_____ 10_____ his mother.
A: Oh, dear! Everyone is so 11_____. Well, I have 12_____ go home and do homework.
Windows 98通过提供虚拟机的机制来实现多任务处理功能。下列叙述中，错误的是
A．Windows 98支持386处理器的三种工作模式
B．在Windows 98的保护模式下，所有的应用程序都运行在保护级别最低的0环
C．在通常情况下，Windows 98采用的是并发方式的多任务处理
D．在Windows 98中，Windows虚拟机分为系统虚拟机和MSDOS虚拟机
sterday my mother asked me to 5_____ my clothes.