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【单选题】
以下遗传病的特点,错误的是
A.
先天性
B.
家族性
C.
稀有性
D.
终生性
E.
垂直传递
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参考答案:
举一反三
【单选题】表达式 a+=a-= a=9 的值是
A.
9
B.
-9
C.
18
D.
0
【单选题】What distinguished Dr. Jeol Hiderbrand from others as early as in high school?
A.
He was given the key to the chemistry lab.
B.
His discovery of the correct formula for some chemical compound.
C.
He learned more chemistry from his teacher.
D.
His excellent score in chemistry learning.
【单选题】人类进入文明时代的标志是()。
A.
汉字的出现
B.
人类的产生
C.
摩擦生火
D.
文字的出现
【简答题】Dr. Deb Roy turned his own home into a 1)________ laboratory and his Guinea pig (小白鼠/研究对象)was 2)__________. He set up his home as an 3)________ space and captured this kind of rich 4)_______ record of...
【简答题】Henry was from the United States and he had come to London for a holiday. One day he was not feeling well.  So he was to the clerk at the desk of his hotel and said, “I want to see a doctor. Can you g...
【单选题】人类进入文明时代的标志是( )。
A.
火的发明和使用
B.
奴隶制国家的建立
C.
脑力劳动和体力劳动的分工
D.
文字的出现
【单选题】Dr. Baum came to visit one particular British national park mainly because .
A.
he was to present the park with a diploma for its achievements
B.
he was concerned about how the park was being run
C.
it was the only national park of its kind in Europe
D.
it was the only park which had ever received a diploma from the Council
【简答题】人类从愚昧、野蛮到文明经历了漫长的发展过程,人类进入文明时代的标志是( )。
【单选题】隔墙或填充墙的顶面与上层结构的接触处,宜( )
A.
砂浆塞填
B.
砖斜砌顶紧
C.
埋筋拉结
D.
现浇混凝土连接
【单选题】人类进入文明时代的标志是()
A.
秦的统一
B.
文字的发明
C.
春秋战国时期的百家争鸣
D.
撰写史书
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