【解析】 【解析】 过点P作PD 轴于点D,如图, F B P A 口 D X 把y=0代入y=2x+2,得:0=2x+2,x-1, ∴A(-1,0) 把x=0代入y=2r+2,得:y=2, ∴B(0,2) ∴OA-1 ,OB =2, 在直线 y-1/2x 设 P(m,1/2m) PD1轴 ∴OD-m , PD-1/2m ∴AD=OA+OD=1+m ∴S_(△AOB)=1...
- **A. 2RHZ/4RH**:强化期2个月(R/H/Z),巩固期4个月(R/H),总疗程6个月,属于短程方案。- **B. 2ERHZ/4RH**:强化期含乙胺丁醇(E),巩固期4个月(R/H),总疗程6个月,仍属短程方案。- **C. 2RSHZ/4RH**:强化期加入链霉素(S),总疗程仍为6个月,符合短程标准。- **D. 2ERHZ/...
Obtaining a function reference via REvaluate will also work for user-defined functions, named or anonymous. For example, you can define a function that will subtract 1 from its argument. In[6]:= Now you can obtain a reference. In[7]:= Out[7]= And test it. In[8]:= Out[8]= ...
产品英文名称:Human growth-regulated oncogeneγ/melanoma growth stimulating activity,GROγ/MGSA ELISA Kit 试剂盒规格:96T/48T 96T指可以做84个标本,12个标准对照 48T指可以做42个标本,6个标准对照 96T-84个样本 48T-42个样本 保存:2-8℃ 有效期:6个月 ...
百度试题 结果1 题目以下哪一种方案不属于短程化疗 ( ) A. 2RHZ/4RH B. 2ERHZ/4RH C. 2RSHZ/4RH D. 2ERHZ/4R2H2 E. 2HSP/1OHP 相关知识点: 试题来源: 解析 E 反馈 收藏
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Obtaining a function reference via REvaluate will also work for user-defined functions, named or anonymous. For example, you can define a function that will subtract 1 from its argument. In[6]:= Now you can obtain a reference. In[7]:= Out[7]= And test it. In[8]:= Out[8]= ...
1:b【解析】问题的意思“你能在动物园中找到恐龙”选项A意为对;选项B意为错。恐龙已经灭绝了,所以在动物园中找不到恐龙。所以是错误的。故选b2:a【解析】问题的意思“恐龙都死了。”选项A意为对;选项B意为错。恐龙在几千万年前就已经灭绝了,现在存在的都是恐龙化石,所以恐龙都已经死了。故选a3:b...
2.She trained hard, so she became a great player later. 3. HerEnglishwasn’t good enough when she began. 4. Whatever she does, she never gives up. 5. I think she’s a good student as well as a good player. 6. She’s simply the best. Ⅳ.Teaching aids Tape recorder, OHP,ppt....
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