I have warned you not to do that __________. A: over and over B: over and over again C: again and over D: again and again over

How many minutes early is a job applicant often expected to arrive for the interview? A: A. No more than ten. B: B.Over ten. C: C.At most five. D: D.No less than five.

A dog was _______by a bus and killed. A: turned over B: knocked over C: run over D: got over

Don't hand in your papers until class______. A: is over B: was over C: are over D: will be over

求函数$y = {{1 + \root 3 \of {{x^2}} - \sqrt {2x} } \over {\sqrt x }}$的导数$y' = $( ) A: $ {1 \over 2}{x^{ - {3 \over 2}}} + {1 \over 6}{x^{ - {5 \over 6}}}$ B: $ - {1 \over 2}{x^{ - {3 \over 2}}} + {1 \over 6}{x^{ - {5 \over 6}}}$ C: ${1 \over 2}{x^{ - {3 \over 2}}} - {1 \over 6}{x^{ - {5 \over 6}}}$ D: ${1 \over 3}{x^{ - {3 \over 2}}} - {1 \over 6}{x^{ - {5 \over 6}}}$

We are certain that he will _____ his illness. A: come over B: go over C: get over D: give over

Some disputes among these countries are ______ by history. A: left over B: turned over C: handed over D: taken over

1.How many McDonald’s restaurants are there in the world? A: Over 30,000 B: Over 13,000 C: Over 3000 D: Over 1300

函数\(y = \sin {1 \over x}\)的导数为（ ）. A: \({1 \over { { x^2}}}\sin {1 \over x}\) B: \( - {1 \over { { x^2}}}\sin {1 \over x}\) C: \( - {1 \over { { x^2}}}\cos {1 \over x}\) D: \({1 \over { { x^2}}}\cos {1 \over x}\)

_____ she _____ her lessons at seven yesterday evening? A: Was…going over B: Is…go over C: Has…gone over D: Will…go over