单项选择题

We must______ that the experiment is controlled as rigidly as possible.

A.secure
B.ensure
C.assure
D.issue
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单项选择题
One's physical assets and liabilities don' t count all that much in a managerial career. (para l) can be interpretated as______.
A.whether or not one looks good or bad, it doesn' t affect much one' s managerial career
B.in one' s managerial career, he may deal with cases like assets and liabilities
C.in one' s managerial career, he may rarely deal with cases like assets and liabilities
D.whether or not one looks good or bad, it may affect much one' s managerial career
单项选择题
In Beauty is only skin-deep , skin-deep can be replaced by______.
A.decorating
B.superficial
C.expressive
D.demanding
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