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【单选题】
下列属于形态结构异常的疾病是( )
A.
先天性耳聋
B.
智力低下
C.
先天性失明
D.
全身白化症
E.
唇裂
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【简答题】How is a blue hole different from a cave? a. A blue hole is always underwater. b. Caves usually have two sinkholes. c. Caves are inland, but blue holes are not. 2. What makes blue holes ...
【单选题】丙型肝炎的主要传播途径是
A.
粪口传播
B.
水传播
C.
食物传播
D.
血液传播
E.
媒介传播
【单选题】丙型肝炎的主要传播途径是
A.
输血和血制品
B.
其他注射途径
C.
性接触
D.
日常生活接触
E.
母婴垂直传播
【单选题】丙型肝炎的主要传播途径是
A.
粪口传播
B.
水传播
C.
食物传播
D.
血液传播
E.
虫媒传播
【单选题】在X线照片影像的形成过程中不起作用的一项是( )
A.
X线的穿透作用
B.
X线的散射线
C.
X线的感光作用
D.
X线的荧光作用
E.
被照体对X线的吸收差异
【单选题】Why is even a single disease-causing bacterium dangerous?
A.
It can mix with other bacteria.
B.
It can become billions in a day.
C.
Just one can kill a six-year-old child.
D.
It can move more rapidly alone.
【多选题】Reading the following passage and choose the correct answer(s). Six children were very sick in the hospital and Dr. Bessor, an expert on strange illnesses, was called to find the cause of the illness....
A.
method of agreement
B.
method of difference
C.
Analyzing the correlation
D.
method of presence
【简答题】动力腿保持膝盖外开大腿不动,小腿迅速有力地收回击打主力腿小腿的 。
【判断题】常用材料为金属材料、非金属材料、工程材料三大类
A.
正确
B.
错误
【单选题】Synthetic biology provides technical support for reviving and constructing from scratch dangerous bacteria or viruses such as Ebola, Smallpox and SARS viruses that can kill people in mass easily; this...
A.
biosecurity
B.
biosafety
C.
biorisk
D.
bioproduct
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