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【单选题】
下列属于公文版记的是( )。A.
附件
B.
份号
C.
印章
D.
印发日期
E.
附注
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举一反三
【单选题】正常人的血小板计数的参考值
A.
（100～300）×10^9/L
B.
（4～10）×10^9/L
C.
（4.0～5.5）×10^12/L
D.
（6.0～7.0）×10^12/L
【简答题】正常男子血小板计数均值为 225 x 10^9/ L ,今测得 20 名男性油漆作业工人的血小板计数值( 10^9/L ) 220 188 162 230 145 160 238 188 247 113 126 245 1 231 256 183 190 158 224 175 问油漆工人的血小板计数与正常成年男子有无差异 ?
【单选题】正常人血小板计数值为
A.
(10~30)×10^12/L
B.
(10~30)×10^9/L
C.
(100~300)×10^9/L
D.
(100~300)×10^12/L
【简答题】This story began about 10 years ago. I was coming out of a very bad marriage. For seven long years my husband spent his every moment telling me just what was wrong with me. When I finally asked for a ...
【简答题】古希腊神话故事中,太阳神叫( )。
【简答题】No. 3 Questions 11 to 15 are based on the following passage This story began about 10 years ago. I was coming out of a very bad marriage. For seven long years my husband spent his every waking moment ...
【简答题】1 Frank Hawkins was telling me about his experience 2 . Frank is now the head of a very 3 , but as a boy he 4 in a small shop. It was his job to repair bicycles and at that time he used to work 5 . He...
【简答题】完形填空 I t was an unforgettable experience for me. O nce I had applied for the nuclear submarine program me , and Admiral Nelson was interviewing me for the job. We sat in a large room by ourselves for ...
【单选题】正常男子血小板计数均值为225 × 10^9/L, 今测得20 名男性油漆作业工人的血小板计数值（单位： 10^9/L ）220 188 162 230 145 160 238 188 247 113 126 245 164 231 256 183 190 158 224 175问油漆工人的血小板计数与正常成年男子有无差异？假设检验的方法，命令如下：x<-c(220 ,188, 162, 230,...
A.
test(x,mu=225)
B.
t.test(x,mu=10)
C.
t.test(x,mu=225)
D.
t.test(x)
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