使DNA超螺旋结构松驰的酶是（）。 A．引发酶 B．解旋酶 C．拓扑异构酶 D．端粒

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。

Four Habits t0，Help You Succeed

We all want to succeed，whether it’s in losing weight or learning the guitar．For those who hay e tried and failed，success seems difficult to understand．Why does one person succeed while another person fails?       1   

1．Identify your core values．   

Finding your core values is in line with creating inner motivation．  2     Pick a handful of things and actually write them down．Remind yourself of your values every day，and reflect on whether you are honoring those values through your work．

2．Pick a goal and focus on it．

Choose one goal to start something large enough that will give you a sense of accomplishment，while adjusting well to your core values．Focus is key here.    3     If you perform many tasks at。a time，you might never complete your projects because they will take far too lon9．

3．Set a deadline for success．

Set a date for success．Identify when you hope to achieve your goal．    4     By setting a time limit，you are making the process more real．

4．     5       ．Failure can’t be avoided when you take risks, By its very definition，the desire to succeedmeans you are risking failure。Many people tend to give up far too early．Don’t fall into this trap! Remember your mindset earlier．Know it will happen．A failure is merely you working out the details，and learning what works and what doesn’t．Use failure．Treat it as a good thin9，and march on!

A．The more focused you are on one goal，the higher chance you have of Success．

B．Make the right decision．

C．I’ve made a list of four habits to help you set goals and achieve them．

D．Stick to your goal．E．Keep it realistic，while not giving you too mu ch time．

F．Sit and reflect on what you value most．

G．Push yourself to be courageous，and take that next step．

常山具有的功效是

A．涌吐痰饮

B．截疟

C．利湿

D．上泻

E．止痛

My friend Tom stays at Internet bars above 8 hours every day ______, really a netter(网虫).

A．on average

B．in charge

C．up close

D．for free

崔某出生于1992年11月17日，杜某出生于1992年1月3日。2008年11月17日傍晚，崔某和杜某将警官古某绑架，并打电话到警察局，要求释放他们的“大哥”王某。警察局拒绝了他们的要求，并通过电话警告他们立即放人。崔某和杜某一气之下用刀子将古某捅死。后二人被抓捕归案。对于崔某和杜某需负的刑事责任，下列说法正确的是哪项

A．崔某不负刑事责任；杜某需要负刑事责任，构成绑架罪
B．崔某和杜某都需要负刑事责任，构成绑架罪的共犯
C．崔某和杜某都需要负刑事责任，构成故意杀人罪的共犯
D．崔某和杜某都需要负刑事责任，崔某构成故意杀人罪，杜某构成绑架罪

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