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【单选题】
关于习惯性流产以下哪项错误
A.
自然流产发生 3 次或 3 次以上者
B.
每次流产多发生于同一月份,其临床经过也大致相同
C.
染色体异常为早期习惯性流产的常见原因
D.
宫颈机能不全为晚期习惯性流产的常见原因
E.
习惯性流产多无自觉症状
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【单选题】生活在不同环境中的同卵双胞胎的智商测试分数很接近,这说明:
A.
后天环境对智商的影响较大
B.
遗传和后天环境对儿童的影响是平行的
C.
遗传对智商的影响较大
D.
遗传和后天环境对智商的影响相当
【单选题】What nation is dreaded by schoolboys?
A.
Fascination
B.
Examination
【单选题】生活在不同环境中的同卵双胞胎的智商测试分数很接近,这说明
A.
遗传和后天环境对儿童的影响是平行的
B.
后天环境对智商的影响较大
C.
遗传对智商的影响较大
D.
遗传和后天环境对智商相对
【多选题】生活在不同环境中的同卵双胞胎的智商测试分数很接近,下列观点不正确的有
A.
遗传和后天环境对儿童的影响是一样的
B.
后天环境对儿童的智商影响较大
C.
遗传对智商的影响较大
D.
同卵双胞胎几乎不受后天的影响
【单选题】Schoolboys_____always_____not______.
A.
are, told, smoke
B.
are, told, to smoke
C.
are, tell, smoke
D.
are, tell, to smoke
【单选题】The schoolboys and schoolgirls are walking along the street, _____a small redcap .
A.
each of them has
B.
they each have
C.
every wears
D.
each wearing
【单选题】English schoolboys often show the sense of sportsmanship to a______high degree in their relations with each other.
A.
precisely
B.
surprisingly
C.
clearly
D.
essentially
【单选题】多继承是指?
A.
一个派生类同时继承多个基类
B.
多个派生类同时继承一个基类
C.
基类本身又是一个更高一级基类的派生类
D.
派生类本身又是更低一级派生类的基类
【单选题】The example of the English schoolboy was used to show that ______.
A.
English schoolboys respect teachers more than they respect their friends
B.
young people have different ways to ask time from the previous generations
C.
younger generations vary their speeches more than the previous generations
D.
even the same person will speak in different ways in different contexts
【简答题】The schoolboys were frozen into complete silence as they saw the ______ look on their 's face. 看到老师脸上露出可怕的表情,男生们立即静了下来。
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