A hacker could take control of the entire system by implanting his own instructions in the
A. of his being ever there
B. he ever has been there
C. of his having ever been there
D. of him having ever been there
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______from space, our earth, with water covering 70% of its surface, appears as a "blue planet".
A. See
B. Seeing
C. Seen
D. To be seen
A．trustedB．modernizedC．thrivingD．competing
A. trusted
B. modernized
C. thriving
D. competing
Neither of the two parties______able to solve the problems of the poor.
A. are
B. is
C. have been
D. will have been
A．cautionB．delightC．confidenceD．patience
A. caution
B. delight
C. confidence
D. patience
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