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【单选题】
免疫的近代概念是A.
使机体免患疾病
B.
清除损伤和衰老细胞的功能
C.
防御病原生物和其他异物侵害的能力
D.
识别并清除突变细胞的功能
E.
别“自身”与“非已”，并排斥非已物质
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【单选题】What do you guess our friend Bob when we get to his home? [ ]
A.
does
B.
would do
C.
has been doing
D.
will be doing
【单选题】- Guess what? Zark _______ a company with his partner. - Gosh! It’s no more than two years since he studied in the university.
A.
operated
B.
is operating
C.
has operated
D.
had been operating
【简答题】试简述信源分类以及各种信源特点。1．试简述信源分类以及各种信源特点。
【单选题】如果在3ds Max软件中打开图像文件，可以使用（ ）
A.
文件菜单——查看图像文件
B.
编辑菜单 ——查看图像文件
C.
我的电脑 ——打开图像文件
D.
右击鼠标 ——属性——查看图像文件
【单选题】Choose the similar word. I guess from his red eyes that he has been working too hard recently .
A.
finally
B.
surely
C.
proudly
D.
lately
【简答题】设f(x)满足f(1)=1． (x≥1)，试证 存在，且
【单选题】I guess Tom won’t keep on asking me the time from now on, as he has had his watch ______.
A.
repaired
B.
repairing
C.
being repaired
D.
been repaired
【单选题】听力原文：M：What kind of father am I? My daughter has had a fever for a couple of days，but I didn't even know about it. W：Don't blame yourself too much．You've been too much involved in the company's work t...
A.
He is an irresponsible father.
B.
He is careless.
C.
He is very busy with work.
D.
He is indifferent to his family.
【简答题】Off and on: e.g.雨断断续续地下了两个月。 It has rained off and on for two months. 他只是小时候断断续续读过小学。 He just received junior education off and on when he was a child. Q1: 翻译以下off A: “ I ’ d like to take a day off___...
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