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【单选题】
在等比数列{a n }中，若a 5 a 7 a 9 =27，则 的值为 [ ]A.
9
B.
1
C.
2
D.
3
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反馈参考答案：
举一反三
【简答题】等价类测试和边界值测试是面向数据的，场景法是面向（ ）的
【单选题】Speaker A: Remember me to David, won't you? Speaker B: ______
A.
Yes. He'll remember you for a long time.
B.
No. I don't remember who's David.
C.
Yes. I'll give him your regards as soon as I get there.
D.
No. I can't remember anything now.
【多选题】找出句中短语释义及同义词 We take great pleasure in opening the door to this great step in your journey. take great pleasure in doing sth.
A.
乐于做某事
B.
take delight in doing sth.
C.
以（做）某事为乐
D.
给……以机会
【单选题】某日傍晚，被告人黄某、兰某驾驶摩托车外出伺机抢夺他人财物，在该市胜利大街南段，发现一女士脖子上佩戴一条金项链，便从该女士身后驾车飞驶过来，坐在摩托车后座上的兰某趁机抓取项链，由于项链没有扯断，该女士被拽倒，头部撞到马路护栏，造成颈骨折断死亡。被告人黄某、兰某的行为构成（ ）。
A.
盗窃罪
B.
抢夺罪 ()
C.
抢劫罪
D.
过失致人重伤罪
【多选题】找出句中短语释义及同义词 We take great pleasure in opening the door to this great step in your journey. take great pleasure in doing sth. open the door to sth.
A.
乐于做某事
B.
take delight in doing sth.
C.
以（做）某事为乐
D.
给……以机会
【单选题】I can’t remember how the tune goes, ______ I’ll recognize it when I hear it.
A.
so
B.
but
C.
because
D.
unless
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