如图,在△ABC中,点D是AB边上的一点,若∠ACD=∠B,AD=1,AC=2,△ADC的面积为3,则△BCD的面积为( ) A.12 B.9 C.6 D.3 答案:B解:∵∠ACD=∠B,∠CAD=∠BAC, ∴△ACD∽△ABC, ∴=()2=4. ∵S△ACD=3, ∴S△ABC=4•S△ACD=12, ∴S△BCD=S△ABC﹣S△ACD=9.完形填空
Tolstoy, the great Russian writer, liked to walk about in a railway station near his home. One day when he was walking up and down as
1 , looking at people getting on and off the 2 , he heard a lady
3 after him. “Hey , you old fellow, go and fetch my handbag in the
4 room which I 5 there.”
Tolstoy 6 there. He 7 the bag up and walked quickly along the platform (站台).
8 the same time the lady was waiting beside the carriage, looking 9
. When at 10 the old man gave the bag back to her, she opened it to
11 sure nothing was 12 . “Good, old man,” said the woman. “You are just as quick as I can
13 . Here you are.” She gave a copper (铜) coin to him. Tolstoy
14 the coin and put it into his pocket with a smile.
But the woman was very
15 when she heard that he was Tolstoy, the author (作者) of the great novel WAR AND PEACE. She
16 to Tolstoy and said, “Oh, excuse me…Oh, how silly I was to
17 you for a porter (脚夫). Please throw back that coin
18 you forgive (原谅) me.
“Oh, madam, why? You have done
19 wrong.” Tolstoy laughed.
The coin is given for my job, so I'll 20 it. Thank you, madam!”
1.
[ ]
A.possibleB.often
C.usualD.well
2.
[ ]
A.trainsB.cars
C.planesD.bikes
3.
[ ]
A.talkingB.speaking
C.tellingD.shouting
4.
[ ]
A.nextB.meeting
C.waitingD.dining
5.
[ ]
A.wentB.forgot
C.leftD.bought
6.
[ ]
A.passedB.jumped
C.wentD.entered
7.
[ ]
A.liftedB.gave
C.pickedD.took
8.
[ ]
A.AtB.In
C.ForD.By
9.
[ ]
A.happyB.back
C.wellD.worried
10.
[ ]
A.firstB.last
C.endD.sight
11.
[ ]
A.makeB.do
C.takeD.get
12.
[ ]
A.losingB.inside
C.missingD.wrong
13.
[ ]
A.exceptB.run
C.doD.walk
14.
[ ]
A.showedB.watched
C.acceptedD.picked
15.
[ ]
A.angryB.surprised
C.happyD.worried
16.
[ ]
A.returnedB.changed
C.saidD.turned
17.
[ ]
A.payB.take
C.haveD.search
18.
[ ]
A.unlessB.if
C.becauseD.until
19.
[ ]
A.somethingB.everything
C.anythingD.nothing
20.
[ ]
A.throwB.remain
C.keepD.stay