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【单选题】
已知 α 是第三象限角,设 sin α cos α = m ,则有 ( )A.
m >0
B.
m ＝ 0
C.
m <0< /div>
D.
m 的符号不确定
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【简答题】remember[rɪ'membə]
【单选题】What lesson did Haley learn in the end?
A.
It took courage and persistence to stay the course in the shadowland.
B.
Those awards meant most to him.
C.
The sardine cans and eighteen cents were as important as the awards.
D.
Anyone should have a dream.
【简答题】[ˈmembə]
【简答题】[rɪ'membə]
【简答题】[ˈmembəʃɪp]