皮皮学，免费搜题
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搜题
【单选题】
性染色质检查可以辅助诊断A.
Turner 综合征
B.
21 三体综合征
C.
18 三体综合征
D.
苯丙酮尿症
E.
地中海贫血
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皮皮学刷刷变学霸
举一反三
【简答题】He told me her name only after I ______ (ask) her twice.
【单选题】数据处理:已知某板框压滤机共 2 个框,框的几何尺寸为长 × 宽 × 厚 =0.2×0.2×0.025m ,恒压过滤时得到的滤液量为 800mL ,则过滤面积 A= m 2
A.
0.16
B.
0.08
C.
0.04
【单选题】She told me her name only after I ___ her twice.
A.
would ask
B.
asked
C.
had asked
D.
had been asked
【单选题】已知:某板框压滤机共2个框,框的几何尺寸为:长′宽′厚=0.2′0.2′0.025m,恒压过滤时得到滤液量为800mL,q=( )m 3 /m 2 。
A.
5×10 -3
B.
1×10 -2
C.
2×10 -2
D.
4×10 -2
【多选题】拉弗曲线说明的经济含义包括()。
A.
高税率会有效增加财政收入
B.
高税率会损害经济发展
C.
高税率反而会减少税收收入
D.
低税率是税制设计的最佳选择
E.
高税率取得的税收可能与低税率取得的税收相等
【单选题】______ she joined the company only a year ago, she's already been promoted twice.
A.
Although
B.
Because
C.
If
D.
When
【单选题】She_____me only twice since last year.
A.
sees
B.
was seeing
C.
has seen
D.
have seen
【单选题】She told me her name only after I _________ her twice.
A.
asked
B.
ask
C.
had asked
D.
is asking
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