皮皮学，免费搜题
登录
搜题
【单选题】
有关CRT显示器安全的叙述中,正确的是________。A.
显示器工作时产生的辐射对人体无不良影响
B.
显示器不会引起信息泄漏
C.
合格的显示器产品应通过多种安全认证
D.
液晶显示器比CRT的辐射危害更大
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Student: Would it be convenient to see you today, Dr. Jones? Dr. Jones: Yes. I have the office hours the whole day. Student: I've been having trouble with my research project. Dr. Jones: ______ We'll ...
A.
Is anyone helping you out?
B.
I'm afraid I will be very busy.
C.
It doesn't sound good.
D.
You can come anytime.
【单选题】－I don’t mind you what I know. －You . I’m not asking you for it.
A.
to tell; mustn’t
B.
tell; may not
C.
telling; needn’t
D.
telling; can’t
【单选题】- I have an appointment with Dr. Edward.- ________
A.
Please wait for a minute.
B.
Are you sick?
C.
Tell me about your appointment.
D.
Dr. Edward didn't tell me.
【单选题】Had I known what heppened, ______.
A.
I will tell you
B.
I will not tell you
C.
you will not know
D.
I would have tell you
相关题目：