皮皮学,免费搜题
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搜题
【单选题】
血清的除菌常用
A.
干烤法
B.
紫外线照射
C.
高压蒸气灭菌法
D.
巴氏消毒法
E.
过滤除菌法
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皮皮学刷刷变学霸
举一反三
【单选题】该图中标识为“4”为何种细胞:
A.
杯状细胞;
B.
内分泌细胞;
C.
表面黏液细胞;
D.
主细胞
E.
壁细胞
【单选题】该图中标识为“4”为何种结构:
A.
触觉小体;
B.
环层小体 ;
C.
毛细血管;
D.
小动脉;
E.
导管
【简答题】今有一画线实验,标准线分别为5cm及10cm,实验结果5cm组的误差平均数为1.3cm,标准差为0.7cm,10cm组的误差平均数为4.3cm,标准差为1.2cm,请问用什么方法比较其离散程度的大小?并具体比较之。
【多选题】原料新鲜度变化的程度主要是通过原料的以下因素来判定:
A.
形态、色泽
B.
重量、质地、
C.
气味、水分
D.
价格、欢迎度
【多选题】Choose TWO letters. A-E For which TWO reasons does the speaker say people give up going to the gym?
A.
lack of time
B.
loss of confidence
C.
too much effort required
D.
high costs
E.
feeling less successful than others
【简答题】如图,图中相邻两边互相垂直,该图形的周长为______.
【单选题】Don’t get stuck defending an unreasonable position just for the sake of not losing face. Be prepared to accept that you may have been wrong. Never tackle sensitive matters over the phone or by email. ...
A.
You can’t see the gestures or facial expressions of the other person.
B.
Your intonation provides warning signs.
C.
You lose face if you defend your position over the phone.
D.
It may take a longer time to talk over the phone.
【判断题】提高氢析出的过电势有助于降低锌负极的自放电。
A.
正确
B.
错误
【简答题】第三部分阅读理解(共20小题;每小题2分,满分40分) 阅读下列短文,从每题所给的四个选项(A、B、C和0)中,选出最佳选项,并在答题卡上将该项涂黑。 It’s always awkward when you meet someone from a different country.You never know whether to shake hands, bow or even whethe...
【简答题】Question 49. How does Martin Reimann interpret his finding? ==== Passage 10 ==== The secret to eating less and being happy about it may have been cracked years ago—by McDonald's. According to a new st...
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