更多“简述黄土区侵蚀沟的发育阶段”相关的问题
监测系统调试检测项目中SO2分析仪器的示值误差要求为（）。
A.±1%FS
B.±2%FS
C.±5%FS
D.±10%FS
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焦炭的水分，灰分和硫分可以通过（）进行测定。
A.物理检测 B.工业分析 C.筛分 D.烘干
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“三个必训”制度，是( )的内容。
A．统一考录制度
B．统一纪律要求
C．统一外观标识
D．统一训练标准
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Word2000的表格计算功能在表格项的定义方式、公式定义方法、有关函数的格式及参数、表格的运算方式等方面与Excel2000是完全不一致的。
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工资、薪金所得包括( )。
A．年终加薪
B．劳动分红
C．午餐补助
D．独生子女补贴
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下列属于我国宪法基本原则的有（ ）。
A.法治原则 B.独立原则 C.人民主权原则 D.权力制约原则 E.基本人权原则
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项目规划布局图一般以（）比例尺地形图为底图。
A.不确定
B.小
C.中
D.大
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我行目前现有的自助设备种类有（）
A.自助取款机
B.存取款一体机
C.高速存取款机
D.现金版智能柜台
E.综合版智能柜台
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住宅公共区域的顶棚装修材料应采用防火等级为( )级的材料。
A.AB.B1C.B2D.B3
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等比数列的前n项和是高中数学必修5种的内容．为了求得一般的等比数列的前n项和，先用一个简捷公式来表示。已知等比数列{an}的公比为q，求这个数列的前n项和sn。即sn=a1+a2+a3+…+an。请完成下列任务。（1）分析学生已有的知识基础。（8分）（2）确定学生学习的目标和重难点。（10分）（3）为了让学生充分理解等比数列前n项和公式，作为教师应该有多种方法推导．请至少用两种方法写出推导过程。（12分）
A.为了求得一般的等比数列的前n项和，先用一个简捷公式来表示。已知等比数列{an}的公比为q，求这个数列的前n项和sn。即sn=a1+a2+a3+…+an。请完成下列任务。（1）分析学生已有的知识基础。（8分）（2）确定学生学习的目标和重难点。（10分）（3）为了让学生充分理解等比数列前n项和公式，作为教师应该有多种方法推导．请至少用两种方法写出推导过程。（12分）
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27 Sometimes you may find it very difficult to decide . 28 Before you lend money to
27 Sometimes you may find it very difficult to decide .28 Before you lend money to your friend, .29 If the loan is past due, .30 If your friend refuses to return the money, .A you can remind your friend of it via e-mailB you can lend more money to him or herC you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
28 Before you lend money to your friend, .29 If the loan is past due, .30 If your friend refuses to return the money, .A you can remind your friend of it via e-mailB you can lend more money to him or herC you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
29 If the loan is past due, .30 If your friend refuses to return the money, .A you can remind your friend of it via e-mailB you can lend more money to him or herC you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
30 If your friend refuses to return the money, .A you can remind your friend of it via e-mailB you can lend more money to him or herC you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
A you can remind your friend of it via e-mailB you can lend more money to him or herC you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
B you can lend more money to him or herC you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
C you must get to know why he or she needs that moneyD if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
D if you should lend money to your friendE you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
E you can call the police to settle the issueF there is no need to maintain a friendly relation with him or her
F there is no need to maintain a friendly relation with him or her
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室外热水网路系统管内的流速的一般范围为( )。
A.5-2.0m/s
B、3-10
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日照分析软件中能够分析出具体日照时间的命令有（）。
A.等日照线
B.区域分析
C.单点分析
D.线上分析
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在结案工作接近尾声时，社会工作者有必要撰写书面的结案记录，这份记录比平时的（）更有意义，它不仅从总体上回顾了服务过程，而且包含着社会工作者对服务的反思及未来工作的计划与目标。
A.过程记录
B.书面记录
C.评估记录
D.结果记录
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