阅读下面短文，掌握其大意。然后从各题所给的选项中，选出最佳选项，并在答题卡上将该项涂黑。
The three youths leaned over the metal rails along the sea-wall and watched a few fishermen pull in their nets. About thirty metres away, a boat pulled alongside the slippery steps leading  36  to the sea.
“Hey, look!” exclaimed Rahim. “Those two men are  37  heavy rocks. I thought we no longer do muscle labour in this technological  38  . ”
“They are  41  laborers who know how to spread the weight of the rocks they  42  . See how the man positions the rock just at the slope of his  43  . Some of the rock’s weight is set  44   his head, some on the right hand and some on the left hand. His body isn’t bent. His legs are well  45   . ”
“You’re right, Josh. He may have a small build.   46     he certainly well knows his job. Dear me! And to think we have been studying   47    ! ” Rahim thought about all that was happening. Suddenly, he said, “Technology won’t   48    the human being completely, it appears.”
“I don’t think it will. ”  49   Joshua. “You can harvest a crop of potatoes or wheat with one of those large, multi-purpose tractors, but you  50    use that equipment to harvest lea leaves and tomatoes, will you?”
“You can get a computer to   51    multiple-choice assessments, but you cannot get the computer to produce of assess essays, can you?” asked Michael.
“Well, the washing machine leaves my shirt collar quite as  52    as ever --- that’s domestic technology for you! ” said Rahim.
“One day, perhaps, there won’t be anybody   53    who can carry a large rock the way those men do. It’s not going to be a very  54    world, I’m afraid.” Sighed Michael.
“You’re too much of a pessimist (悲观主义者)，Mike.” Said Joshua. “  55  will always be other things that will make the world exciting. ”

A．through B．across C．down D．up

A．loading B．unloading C．covering D．uncovering

A．way B．revolution C．process D．era

A．ask B．expect C．attempt D．hope

A．happen B．fail C．have D．seem

A．ambitious B．experienced C．potential D．energetic

A．take B．fetch C．carry D．bring

A．shoulder B．back C．chest D．arms

A．on B．against C．toward D．under

A．supported B．grasped C．placed D．strengthened

A．but B．however C．so D．therefore

A．chemistry B．physics C．biology D．psychology

A．control B．affect C．remove D．replace

A．agreed B．proposed C．refused D．denied

A．can’t B．mustn’t C．won’t D．needn’t

A．point out B．take out C．hand out D．print out

A．dirty B．clean C．old D．new

A．caught B．arranged C．left D．convinced

A．exciting B．mysterious C．technological D．modern

A．That B．This C．They D．There