下列现象形成的原因不正确的是（ ）
A．岸边的树在水中的倒影是光的镜面反射
B．插入水中的筷子发生偏折是光的折射
C．用潜望镜观察物体是利用光的直线传播
D．利用放大镜观察物体是光的折射
A、说法正确，倒影是光的镜面反射形成的；
B、说法正确，插入水中的筷子发生偏折是光的折射现象；
C、说法错误，用潜望镜观察物体是利用平面镜能改变光的传播方向；
D、利用放大镜观察物体是光的折射，也是凸透镜成像的规律的应用．
故选C．
| 完形填空。 | |||
| A Fan of Dae Jang Geum《大长今》影迷 Dae Jang Geum （《大长今》 ) is a hot new Korean TV series. Because of this series, my personal status and living standard have been greatly 1 . My girlfriend used to cook every evening. Well, now she does nothing but 2 in front of the TV when she's not 3 and commands me, " You-go to make some instant noodles. Come and watch the play and just imagine we are enjoying Korean 4 . " She also swears to 5 all Korean dishes in Dae Jang Geum. So she orders me to 6 the TV and record any details of Jang Geum's cooking. But when she presented her version of Korean food, it is like the dog-meal. "You can 7 get things done if you can't find the right tools , " my girlfriend blamed her clumsy(笨拙的 ) kitchen performances on 8 . So I decided to 9 her a new kitchen knife. In a store , she became unusually 10 when making her selection. She finally picked one that was 11 Jang Geum's. To prove that her slow knife skill was due to the blunt (钝的) knives, she 12 her cutting. As a result , she hurt her fingers three times. Fortunately the knife is not 13 the salesman boasts. My girlfriend is a fan of Jang Geum's Korean 14 . Not only did she talk about the dress every day, she also threatened to change my tie into a 15 like the one on Jang Geum's dress. Finally, I lost my patience and took her to a maternity shop (孕妇专卖店) where I recommend(推荐) one suit to her, "Do you think it looks like a Korean dress?" 16 , my future parents-in-law just happened to be shopping at the time. They were 17 when they saw what we were doing. The Dae Jang series 18 realizing the ambition of the youth. However, it fails to realize my girlfriend's. 19 being engaged in her work or study, she simply sits on the sofa every night, staring at the TV, a bag of chips in her hand. This situation has 20 even though the series is now over. | |||
| ( )1.A. increased ( )2.A. stand ( )3.A. at work ( )4.A. fruit ( )5.A. eat ( )6.A. stand for ( )7.A. easily ( )8.A. her forks ( )9.A. buy ( )10A. careless ( )11.A. better than ( )12.A. speeded up ( )13.A. as fast as ( )14.A. diet style ( )15.A. inside pocket ( )16.A.Coincidently ( )17.A. very puzzled ( )18.A. shoots at ( )19.A. In spite of ( )20.A. changed little | B. degraded B. lie B. at table B. vegetables B. learn B. go by B. hardly B. her spoons B. borrow B.alert B. the closest shape of B. slowed down B. as dull as B. dish flavor B. butterfly knot B.Disappointedly B. pretty satisfied B. aims at B. Because of B. turned a lot | C. depressed C. seat C. on leave C. dishes C. cook C. pass by C. difficultly C. her knives C. lend C. patient C. sharper than C. brought down C. as slow as C. dressing style C. pretty collar C. Fortunately C. very pleased C. directs at C. Instead of C. developed a little | D. raised D. sit D. on business D. cakes D. perform D. stand by D. carefully D. her pans D. fetch D. modest D. taken from D. improved D. as sharp as D. cooking style D. long belt D. Excitedly D. pretty shocked D. works at D. In case of D. improved a lot |