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【单选题】
鸟类的受精和胚胎发育的部位分别是 [     ]
A.
输卵管和胚盘
B.
胚盘和输卵管
C.
输卵管和输卵管
D.
胚盘和胚盘
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参考答案:
举一反三
【简答题】self-evident (a.)
【单选题】We always have a party ______ the evening ______ October 31.
A.
on, in
B.
in, of
C.
on, of
D.
on, on
【单选题】October 31 st is _____  Halloween, it’s  _______ interesting festival for children.
A.
/; a
B.
the; an
C.
a; the
D.
/ ,an
【单选题】Halloween is a holiday celebrated on October 31st.
A.
万圣节是在10月31日庆祝的一个节日。
B.
感恩节是在10月31日庆祝的一个节日。
【多选题】尾翼是飞机尾部的()尾翼和()尾翼的统称.
A.
水平
B.
纵向
C.
横向
D.
垂直
【简答题】self-image self-assured self-protection self-evident self-fulfilling nonprofit nonstop non-existent nongovernment nonfat No experience working at a __________ health care organ...
【简答题】self-image self-assured self-protection self-evident self-fulfilling nonprofit nonstop non-existent nongovernment nonfat Environmental awareness was __________ ...
【简答题】Complete the sentences with the words with self- given below. self-image self-assured self-protection self-evident self-fulfilling This point is __________ and needs no explanation.
【简答题】self-image self-assured self-protection self-evident self-fulfilling nonprofit nonstop non-existent nongovernment nonfat This point is __________ and needs no explanation.
【判断题】尾翼是飞机尾部的水平尾翼和垂直尾翼的统称。
A.
正确
B.
错误
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