某网络结构如下图所示，清回答以下有关问题。除了流量镜像方式外，还可以采用什么方式来部

某公司甲、乙、丙、丁四个地区分别有150 个、120个、180个、150个销售点，公司为了调查产品的情况，需从这600个销售点中抽取一个容量为100的样本，记这项调查为①；在丙地区中有20个特大型销售点，要从中抽取7个调查其收入和售后服务等情况，记这项调查为②.则完成这两项调查宜采用的抽样方法依次（ ）

A．简单随机抽样法，分层抽样法

B．系统抽样法，分层抽样法

C．分层抽样法，简单随机抽样法

D．分层抽样法，系统抽样法

小题1:It is easy to protect the planet! These tips help save limited resources, especially water. So give the tips a try and get green. You can take short showers instead of having a bath and turn off the water while brushing your teeth. Be sure to ask your parents before trying any of these tips.

小题2:It might not seem like such a big deal, but think about how much time you spend sitting before your computer and playing computer games. And then you get up to go to school the next morning with a very heavy backpack. Now, without moving anymore, check out your posture.

小题3:The school year always brings new friends, new teachers, new assignments, and unfortunately some new germs. But don’t worry; a new school year doesn’t have to mean new illnesses! Follow these tips and you might score a perfect attendance (出席人数) record this year!

小题4:Going to school is an exciting time because everything’s new --- teachers, new package of markers when last year’s set works just well. In addition to reusing old supplies, we’ve got a great list of ways to be green in the new school year.

小题5:Be sure to ask your parents and yourself to save energy in the summer. You can try any of these tips. Turn off the TV and play in a garden or park. Turn off your computer before you go to bed each night.

A．Green Tips: Conserve Resources Turn off the water while brushing your teeth.

B．Green Tips: Save Power Play outside instead of using electricity.

C．Green Tips: Back to School Reusing anything possible is better for the environment

and yourself!

D．20 Tips for a Germ-free School Year Wash your hands with soap and water to kill germs.Drinking water: Bottled or From the Tap?    For every six water bottles we use,

only one makes it to the recycling bin.

F. Bad Posture Means Pain           Kids should carry backpacks that weigh less than 10 to

15 percent of their body weight.

许强向B市H区基层人民法院起诉要求与官峰离婚。法院受理此案后，传唤许强与官峰按时到庭。开庭当天，许强觉得出庭诉讼有失自己身份，便委托律师何律师出庭；官峰因正住院治病，也委托律师洪律师代为出庭；并让洪律师递上了一份自己不同意离婚的书面意见和医院出具的住院治疗证明。法院指派审判员林法官审理该案。开庭时，法庭核查出庭人员时，发现许强、官峰均只委托了律师出庭，因此裁定本案原告不出庭按撤诉处理。许强就此裁定向B市中级人民法院提起上诉。依据上述情形，请指出下列哪些行为不符合我国《民事诉讼法》有关规定的要求( )

A．许强不出庭的行为

B．官峰不出庭的行为

C．法院裁定撤诉处理的行为

D．许强向B市中级人民法院提起上诉的行为

患者，男性，形体肥胖，腹部积块坚韧难消，胸膈支满胀痛，按之难忍，头晕目眩，苔厚腻，脉弦劲而滑，该病的主要治法为

A．化痰祛瘀，软坚散结

B．消积攻瘀，兼调脾胃

C．大补气血，化瘀消积

D．导滞通便，散结消聚

E．化痰祛瘀，软坚消结

患者，男，73岁，双侧上颌第二前磨牙、第一、二、三磨牙、右侧下颌第一、二、三磨牙、左侧下颌第一、二磨牙缺失，余牙正常。医生设计双侧上颌第一前磨牙、右侧下颌第二前磨牙RPI卡环，左侧下颌第三磨牙圈形卡环，双侧下颌第一前磨牙隙卡，上颌钴铬合金铸造腭板连接，修复技师在制作支架时，RPI卡环的邻面板的最佳宽度（）

A.是基牙颊舌径宽度的1／2

B.大于基牙颊舌径宽度的2／3

C.与基牙颊舌径宽度相等

D.是基牙颊舌径宽度的1／3

E.是基牙颊舌径宽度的1／5