下列反应到达平衡后，增加压强和降低温度都能使平衡向正反应方向移动的是
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There were dirty marks on her trousers _____ she had wiped her hands.
A. where B. when C. that D. what
Alice trusts you; only you can _____ her to give up the foolish idea.
A. suggest B. attract C. tempt D. persuade
A. gone B. been C. got D. come
Which of the following statements if NOT true according to the passage？
A. Color probably has an effect on us which we are not conscious of.
B. Yellow fire engines have caused many bad accidents in some advanced communities.
C. People exposed to pure blue start to breathe more slowly.
D. The psychology of color is of some practical use.
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