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【单选题】
摆脱电流是指大于感觉电流,而人体可以摆脱掉的最大电流。实验表明,成年男性的平 均摆脱电流约为 () ,成年女性的约为 () 。
A.
15 mA, 10 mA
B.
16 mA, 16 mA
C.
10 mA, 10 mA
D.
16 mA, 10 mA
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【单选题】He often helps the poor children _________ giving the money.
A.
with
B.
by
C.
in
D.
to
【单选题】母乳无法喂养或婴儿断离母乳时应首选 ( )。
A.
鲜牛乳
B.
鲜羊乳
C.
配方奶粉
D.
全脂奶粉
【单选题】He often helps the students _______ he thinks are not quick at their studies.
A.
whom
B.
who
C.
when
D.
because
【单选题】(2017上真题)学校利用板报、窗、走廊、墙壁、雕塑、地面、建筑物等媒介,旨在体现教育理念,实现育人功能。在课程分类中,这属于( )。
A.
学科课程
B.
活动课程
C.
显性课程
D.
隐性课程
【简答题】句型转换。 1. He often helps me with my English. (改为同义句) He often helps me _______ _______ English. 2. Where are you from? (改为同义句) Where _______ you _______ from? 3. The girl has to read English every day....
【单选题】—What’s your friend like? —______________.He often helps others.
A.
He’s kind and helpful
B.
He’s a driver
C.
He likes cooking
D.
He’s poor
【简答题】现给出如下四个命题: ①过点A(4,1)且在两坐标轴上的截距相等的直线共有两条; ②若平面α内的两条直线都与平面β平行,则α ∥ β; ③已知α∩β=l,若α内的直线m垂直于l,则α⊥β; ④已知α⊥β,α∩β=l,若α内的直线m与l不垂直,则m与β也不垂直. 请你写出其中所有真命题的序号:______.
【单选题】He often helps his classmates _____________ their English. [     ]
A.
to
B.
with
C.
on
D.
in
【单选题】He often _______ me _______ my English. [     ]
A.
helps; with
B.
help; with
C.
helps; learnt
D.
help; learn
【单选题】点P、Q、R是平面内不在同一条直线上的三个定点,点M是平面内任意一点,若 P,Q,R,M四点恰能构成一个平行四边形,则在平面内符合这样条件的点M 有( )个.
A.
1
B.
2
C.
3
D.
4
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