某电场的分布如图所示，带箭头的实线为电场线，虚线为等势面。A、B、C三点的电场强

Cindy Sydney is the founder of C&S Paving Inc.(铺路公司) in Miami，USA.In the following account，she recalls the job that challenged her ____ and skill but left her flying high.
When the Miami Airport was under ____ in 1979，we were a new company struggling to make it.National Car Rental wanted to have 2,500 square meters of dirt paved ____ the cars could be on site ____ the airport opened，and the official opening was only ten days away！____ other local paving company wanted to do the job, stating it couldn’t be done in such a(n) ____ time.
Because we were new and really needed the work，we were ____ to try harder.We gave National Car Rental our offer and ____ our best effort to get the job finished within ten days.We also ____ them that if we failed，they would be no worse off，____ they had plenty to gain if we succeeded.
We got the job and immediately went into ___.Working at night needed lights，so I rented a machine to produce electricity for the site.Our____challenge was to keep the rock mixture ____ enough.All the available water wagons(洒水车) were rented out for the airport construction，and we certainly couldn’t  ____ to buy a new one.Instead，I got a special ___ to rent fire engine hoses(消防水龙带) and connect them to nearby hydrant(消防栓)；then I ____ held one of those hoses to ____ down the rock.
Those ten days were filled with challenges that ____ one creative idea after another.Nine days later，the night before the airport opened，National Car Rental was the only company that had cars on the parking lot.
“The key to our success was having the ____ to take on any job and then being ____ in our approach to getting it done.”

小题1:	A．kindness B．patience C．imagination D．experience

小题2:	A．construction B．repair C．control D．development

小题3:	A．after B．as C．for D．so

小题4:	A．while B．since C．where D．when

小题5:	A．Some B．Any C．No D．Every

小题6:	A．short B．vacant C．initial D．regular

小题7:	A．able B．nervous C．afraid D．willing

小题8:	A．supported B．promised C．continued D．improved

小题9:	A．asked B．surprised C．reminded D．demanded

小题10:

A．though B．but C．as D．unless

小题11:

A．discussion B．action C．practice D．production

小题12:

A．next B．first C．past D．previous

小题13:

A．cold B．wet C．loose D．clean

小题14:

A．swear B．delay C．consult D．afford

小题15:

A．excuse B．order C．permit D．reason

小题16:

A．exactly B．personally C．angrily D．hardly

小题17:

A．pull B．knock C．hit D．water

小题18:．

A．required	B．mixed
C．followed	D．formed

小题19:

A．courage B．interest C．hope D．chance

小题20:

A．shabby B．efficient C．creative D．urgent