表示余弦函数的运算指令是（）（SIEM卫NS系统）。A、形＝TAN（Rj） B、形＝

Long ago, there was a mother and a son living in a house. She worked hard everyday,     they were always poor.
　　One day, her son stole his friend's     . "Mom, what do you think of this bag?" His mother praised（表扬）her son      scolding（责骂）him. "It looks great!"
　　The next time, he stole an overcoat. She praised him again       he stole it.
　　A few years later, he       to be a young man. He stole jewelry and      them to his mother. "How     !" This time, she did not scold her son again.
　　Then, because he was     scolded by his mother, he started to steal more expensive things. One day, the police      him. Before putting him in       , he begged the police to meet his mother. They took him to his mother.
　　As soon as he saw his mother, he        her earlobe（耳垂）. "Ouch! What's the matter with you?" She finally scolded him. Her son answered, "     you had given me a scolding like that when I stole the first bag, I could not have become a thief."
The mother’s       was broken as she looked at her son heading to prison. "If I only could _   time, I would scold him strictly." She regretted（后悔） that she always praised him,      he did.

小题1:	A．but B．and C．or D．then

小题2:	A．bag B．watch C．bike D．book

小题3:	A．because of B．instead of C．because D．instead

小题4:	A．before B．since C．when D．until

小题5:	A．put up B．looked up C．got up D．grew up

小题6:	A．brought B．put C．told D．bought

小题7:	A．beautiful B．terrible C．useful D．kind

小题8:	A．often B．never C．sometimes D．always

小题9:	A．heard B．looked C．caught D．searched

小题10:

A．hospital B．school C．hotel D．prison

小题11:

A．bit B．hit C．took D．ate

小题12:

A．If B．Unless C．Though D．Although

小题13:

A．eye B．heart C．mouth D．ear

小题14:

A．turn on B．turn off C．turn back D．turn down

小题15:

A．wherever B．whoever C．whenever D．whatever