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【单选题】
关于达西定律说法正确的是A.
可适用于任何水流运动
B.
达西定律是一个数学定理
C.
达西定律适用于雷诺数小于1~10的层流运动
D.
达西定律是非线性渗透定律
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反馈参考答案：
举一反三
【单选题】社会上有些幼儿园为了迎合家长的需要,将部分小学内容放在幼儿园大班进行学习,
A.
映了幼小衔接工作中的什么问题?
B.
衔接的单向性
C.
衔接的片面性
D.
衔接的超前性
E.
衔接的形式性
【简答题】adj. 经常的,常见的,时常发生的
【单选题】He (looked) (a little bit) nervous, (that) could be seen from his (facial expression).
A.
looked
B.
a little bit
C.
that
D.
facial expression
【单选题】From his _______ expression on his face, we know he is _______.
A.
frightening, frightened
B.
frightening, frightening
C.
frightened, frightened
D.
frightened, frightening
【单选题】His eyes were Della, and there was in them that she could not .
A.
fixed on; expression; read
B.
fixing upon; expression; believe
C.
fixed on; an expression; find
D.
fixed upon; an expression; understand
【单选题】He looked at me with that special expression ___ his face.
A.
in
B.
on
C.
onto
D.
into
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