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【判断题】
儿童使用词的积极性在逐渐增加,既理解又会运用的积极词汇在增多,只理解而不能对使用的消极性词汇在减少。A.
正确
B.
错误
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【简答题】A．Because Americans are proud of their own country B．Because flags go up everywhere with an abundant sense of patriotism C．Because the feeling of safety provided by two mighty oceans is now gone D．Bec...
【简答题】这与定理的条件(),所以G是连通的。
【单选题】People appreciate _______wit him because he has a good sense of humor.
A.
． to work
B.
． to have worked
C.
． working
【简答题】Because wealthy people are willing to take a risk, they are always presented wit investment opportunities
【单选题】Fear can be useful emotion to us because it can_____.
A.
stimulate many physical changes within our body
B.
quicken our heartbeat and responses
C.
pour large quantities of adrenaline into our bloodstream
D.
help us respond quickly to danger and protect ourselves
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