下图为某地区等潜水位线图，读图回答下列各题。 小题1:图中河流与潜水的补给关系

Scientists say they have found key clues（线索）into how long we will live. One of them is a firm __21___. British researchers believe a firm strong handshake is not just a __22___ of confidence but also an indicator of a long life. Lead author Dr Rachel Cooper of University College London said her study looked __23___ 33 different reports on the __24___ of handshakes. The research involved more than 50,000 men and women and __25___ 40 years. Dr Cooper concluded that __26___ with weaker handshakes were 70 per cent more likely to die earlier than those with the __27___ handshakes. She concludes that people with a firm strong handshake __28___ from a happy childhood that __29___ a healthy diet and __30___ of exercise.
The new study, __31___ in the British Medical Journal, also found other signs of living a longer life. These 'measures of __32___ capability' include walking at a faster pace, getting out of a chair quickly, and being able to __33___ on one leg. The study showed that slow walkers were almost three times __34___ to die at a younger age than those who walked quickly and actively. Those who __35___ to get up from their armchairs were twice as likely to die earlier than those who sprang __36___ their chairs. Dr Cooper believes there __37___ more research into the link  __38___ physical capability and a long life. “Research that helps people to __39___ a long and healthy life is ever more important to help provide for an ageing __40___.” she said.

小题1:	A．childhood B．relationship C．hardship D．handshake

小题2:	A．sign B． symbol C．trip D．sigh

小题3:	A．at B．into C．to D．on

小题4:	A．strength B． length C．likeliness D．confidence

小题5:	A．last B． past C．lasted D．passed

小题6:	A．women B．they C．those D．men

小题7:	A．weaker B．strongest C．weakest D．strong

小题8:	A．must benefit B．could have lived C．should come D．may have benefited

小题9:	A．concluded B． consisted C．included D．including

小题10:

A．plentiful B．plenty C．a number D．the number

小题11:

A．published B． being published C．publishing D．having published

小题12:

A．physician B．physics C．physiology D．physical

小题13:

A．stand B．balance C．live D．shake

小题14:

A．likely B．likelier C．likelihood D．liking

小题15:

A．wanted B． hoped C．struggled D．were dying

小题16:

A．out of B． in front of C．ahead of D．away from

小题17:

A．needs to be B． need to be C．ought to be D．must be

小题18:

A．from B．among C．between D．beneath

小题19:

A．benefit B． involve C．make D．enjoy

小题20:

A．popularity B． pollution C．population D．publication