问题
单项选择题
冠状动脉粥样硬化的好发部位是（）。
A.左旋支
B.左前降支
C.右冠状动脉后降支
D.右冠状动脉
E.左冠状动脉主干
答案
参考答案：B
解析：冠状动脉粥样硬化好发部位以左冠状动脉前降支最多，其余依次为右主干、左主干或左旋支、后旋支。
搜题请搜索小程序“爱下问搜题”
冠状动脉粥样硬化的好发部位是（）。
A.左旋支
B.左前降支
C.右冠状动脉后降支
D.右冠状动脉
E.左冠状动脉主干
参考答案：B
解析：冠状动脉粥样硬化好发部位以左冠状动脉前降支最多，其余依次为右主干、左主干或左旋支、后旋支。
| 阅读理解。 | ||||||||
| The Video Shop's Winter Sale (大减价) on every CD, VCD and DVD, POP MUSIC, ROCK, JAZZ, DISCO, COUNTRY & MOVIES.
No telephone or e-mail orders (订购) during the sale. Open hours:Monday to Friday 9:00 am to 8:00 pm Saturday to Sunday 10:00 am to 6:00 pm Add: 108 Culture Street | ||||||||
| 1. The shop _____. | ||||||||
| A. sells CDs only B. is having a sale on everything C. is having a sale On CD, VCD and DVD D. is closed | ||||||||
| 2. _____ are on sale. | ||||||||
| A. Only rock CDs B. Only jazz and country DVD C. Only movies VCDs D. All of them | ||||||||
| 3. You may pay $8.90 for a music CD on December 22. How much should you pay for the same CD On November 30th? | ||||||||
| A. $8.90. B. $0.60. C. $9.50. D. We don't know. | ||||||||
| 4. Which of the following is TRUE? | ||||||||
| A. You should go to the shop for the CDs, VCDs and DVDs by yourself. B. You can make a phone call to order the things you want. C. You can order (订购) through Internet. D. You can write a letter to order CDs or something. | ||||||||
| 5. You can buy CDs _____. | ||||||||
| A. at 8 am Thursday evening B. at any time from Monday to Sunday C. at 8 o'clock Saturday rooming D. at 5:00 Sunday afternoon |