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【单选题】
The main idea of this passage is______.A.
it is likely to make an enemy of your admirer
B.
there are many solutions to the problems of dating
C.
an admirer has feeling every bit as sensitive as our own
D.
it is possible to discourage an admirer without hurting his feelings
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A.
data[i] = data[i] - 255; data[i+1] = data[i+1] - 255; data[i+2] = data[i+2] - 255;
B.
data[i] = 255 - data[i] data[i+1] = 255 - data[i+1]; data[i+2] = 255 - data[i+2];
C.
data[i] = 255 - data[i+1] data[i+1] = 255 - data[i+2]; data[i+2] = 255 - data[i];
D.
data[i] = data[i+1] - 255; data[i+1] = data[i+2] - 255; data[i+2] = data[i] - 255;
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【单选题】One of the good ways for successful students to improve their grades is ______.
A.
doing the optional assignments
B.
going to classes regularly
C.
being attentive in class
D.
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【单选题】Doing lots of listening practice is one of ________ best ways of becoming ________ good language learner.
A.
the; the
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不填; a
D.
the; 不填
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【单选题】Doing sports is good for your health, _______ ?
A.
is it
B.
are they
C.
isn’t it
D.
aren’t they