甲氨蝶呤属于（）。 A.抗生素 B.抗艾滋病药 C.抗恶性肿瘤药 D.抗结核病药 E 发布时间：2017-05-17 21:31 │ 来源：www.tikuol.com 题型：单项选择题 A1型题 问题： 甲氨蝶呤属于（）。A.抗生素B.抗艾滋病药C.抗恶性肿瘤药D.抗结核病药E.抗疟药
题型：单项选择题 A1型题 在晴朗的冬日，用塑料梳子梳干燥的头发，头发会越梳越蓬松，原因是（ ）A．梳头时，空气进入头发B．头发和梳子摩擦后，头发带同种电荷相互排斥C．梳子对头发有力的作用D．梳头时，头发的毛囊会收缩 查看答案
题型：单项选择题 A1型题 完形填空。 My family moved into our home nine years ago and we spent a lot of time and energy in the yard to get it looking like it does today. We live on a corner and the yard is 1 by a rock wall. We call this area our"rock garden". Last summer, I found a tiny little 2 in the yard that I could not immediately identify. I knew I didn't plant it. We 3 to let it continue growing until we could 4 what it was. Weeks passed and as I made my way back to the 5 plant, it appeared to be a sunflower. I decided to treat it with care and 6 the weeds around it. As I pulled rocks from the area to get to the weeds, I noticed something 7 . The sunflowers had not 8 where I saw the stalk (茎) began. It 9 had begun under a big rock and grown under and around it to reach the 10 . That's when I 11 that if a tiny little sunflower didn't let a big rock stand in its 12 of developing, we too have the capability of doing the same thing. 13 our environment begins to see that we believe in ourselves like that little sunflower, we can 14 the same nutrient as well. 15 , we need to believe in ourselves knowing we have the capabilities in 16 our desires. Like the sunflower, it knew it had the capability to overcome its obstacle because it 17 in the universal truth and had 18 that it would succeed. Stand tall like the sunflower and be 19 of who and what you are and the environment will begin to support you. You will find a way to go under or 20 your big obstacle in order to reach your desires. ( )1. A. surrounded ( )2. A. seed ( )3. A. wished ( )4. A. watch out ( )5. A. weak ( )6. A. removed ( )7. A. wonderful( )8. A. passed ( )9. A. aimlessly ( )10. A. air ( )11. A. realized ( )12. A. place ( )13. A. Although ( )14. A. seek ( )15. A. First ( )16. A. setting ( )17. A. lay ( )18. A. faith ( )19. A. proud ( )20. A. beneath B. covered B. animal B. decided B. work out B. mysterious B. refused B. secret B. started B. naturally B. top B. doubted B. way B. Since B. dig B. Generally B. controlling B. trusted B. energy B. fond B. over C. blocked C. plant C. preferred C. give out C. lonely C. reformed C. valuable C. stopped C. especially C. sun C. expected C. course C. Unless C. gain C. Finally C. achieving C. grew C. hope C. careful C. above D. cut D. rock D. refused D. figure out D. remarkable D. regained D. unusual D. broken D. actually D. wall D. noticed D. process D. Once D. attract D. Eventually D. directing D. rooted D. courage D. aware D. around 查看答案