皮皮学，免费搜题
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【单选题】
What do they want to do?A.
They want to study.
B.
They want to read.
C.
They want to play game.
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Which department is the backbone of a hotel?
A.
The Housekeeping department
B.
The Front desk
C.
The food and beberage department
D.
the recreational department
【单选题】The invitation for bids is publicized through proper media (newspaper, magazine, etc) to inform all prospective bidders is called _____.
A.
open bids
B.
selected bids
C.
limited competitive bids
D.
submission of bids
【简答题】A．不管 B．尽管 C．不仅 D．关于
【单选题】The backbone of a DNA strand is composed of which of the following?
A.
Sugars and bases
B.
Phosphates and sugars
C.
Bases and phosphates
D.
Nucleotides and sugars
E.
Phosphates and nucleosides
【单选题】“尽管”一词运用正确的一项是：（ ）
A.
尽管太阳怎么晒我们．我们仍然继续加油干
B.
尽管他不接受我的意见．我有意见还是向他提
C.
尽管使多大劲。还是不能把钉子拔出来
D.
尽管前方有困难．我们都能克服
【单选题】关于景深说法错误的是( )。
A.
焦点前后所能呈现的清晰图像的距离，叫做景深
B.
物镜离样品越近，景深越大
C.
物镜离样品越远，景深越大
D.
SEM的优点是景深大，立体感强
【单选题】Which is the backbone of the North American continent?
A.
The Appalachian Mountains.
B.
The Cascades.
C.
The Rockies.
D.
The Coast Range.
【简答题】患者，女，48岁。右侧耳下肿胀伴轻度疼痛1个月，表面皮肤肤色正常。腮腺肿块最常见的良性肿瘤是A、腮腺混合瘤 B、腮腺淋巴瘤 C、腮腺血管瘤 D、腮腺脂肪瘤 E、乳头状囊腺瘤 CT示右侧腮腺深叶增大，边缘模糊，有增强，病变内可见少量气体影，诊断为A、腮腺恶性肿瘤 B、腮腺良性肿瘤 C、腮腺转移瘤 D、腮腺脓肿 E、腮腺良性增生
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