绿原酸分子结构中含有的结构单元是()A.一分子大黄酸 B.一分子胆酸 C.一分子咖啡

题型:单项选择题

问题:

绿原酸分子结构中含有的结构单元是()

A.一分子大黄酸

B.一分子胆酸

C.一分子咖啡酸

D.一分子甲酸

E.一分子乙酸

考点:执业中药师中药化学成分与药效物质基础中药化学成分与药效物质基础题库
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压裂设备主要包括压裂车、()、管汇车、拉砂车、罐车和仪表车、平衡车等.

题型:单项选择题

第二节信息匹配(共5小题;每小题2分,满分10分)
请阅读下列广告和相关信息,并按照要求匹配信息。请在答题卡上将对应题号(56-60)的相应选项字母涂黑。首先,请阅读下列广告:
A Kid-Tough™ Digital Camera
Product: J8209
Ages: 3 years & up
Price: $70.00
Here’s a real digital camera that’s tough enough–and easy enough–for kids to use. What a perfect way for kids to get creative by taking, viewing and even printing their own digital pictures!
B Laugh & Learn™ Learning Table™
Ages: 6-36 months 
Product: C5522
Approx. Retail Price: $40.00
Stir up the learning fun! Two interactive play modes teach A-B-C’s, 1-2-3’s, colors, textures, first words, music, and so much more! 15 sing-along songs, 10 fascinating activities, speech, sounds, and lots of ways to imagine and play.
C Brilliant Basics™ Big Discoveries Table™
Ages: 9 months & up 
Product: K6671
Price: $25.00
This activity-filled table offers plenty to do, with open-ended play all around. While your baby is busy having fun, you’ll be amazed at all the new skills that develop! Before you know it, baby will be making big new discoveries, improving motor skills, developing eye-hand coordination, and learning to recognize colors, shapes and sizes.
D Baby Gymtastics™ Bat & Score Goal™
Ages: 6-36 months 
Product: K0476
Price: $21.00
With this versatile set, even sitting babies can enjoy scoring a goal! When they bat the inflatable ball or the wiggly cheetah, baby is rewarded with music, lights and sounds. Then, once little ones start crawling or can stand and kick, you can easily convert it, for the whole goal experience! Detach the ball and the rhino becomes the “goalie.” Toddlers can push, kick or toss the ball at the target, while you stand back and catch the excitement!
E Go Baby Go!
Ages: 9-36 months
Price: $35.00
There’s nothing like having a friend you can rely on especially when you are learning to walk! This charming lion is ready to steady baby’s first steps, encouraging progress with rewarding lights, sounds, and upbeat music. Once walking is a sure thing, toddlers can hop on the lion’s back and ride all around for a roaring good time. Designed with a wide wheel base for sturdy support. With on/off switch plus volume control for quiet play.
F  ESPN Shot Block™ Basketball
Product: H4685
Ages: 5 years & up
Approx. Retail Price: $80.00
Bring defense to the game! Automatic shot-blocking rim defense and 8 ways to play add even more fun, excitement and challenge to indoor basketball fun!
Includes 2 balls. For indoor use only. Requires 4 "C" batteries.
请阅读以下人员的相关信息,然后匹配与之相应的广告:
56. Jack and his wife want to buy a toy for their 7-month-old baby. But Jack has a low income and intends to buy something which is not so expensive.
57. Alice and her husband have a 7-year-old son who likes using their expensive digital camera. They decide to buy him one which is cheap and easy to operate.
58. Lynne’s daughter is 11 months old. Lynne thinks it’s time for her daughter to learn to walk.
59. Margaret’s son, who is two years old, is very good at distinguishing(辨别)different shapes. Magaret says it is due to a toy she bought when her son was one year old. Which toy is she talking about?
60. Peter is fond of playing basketball. He expects his son to begin playing it before he goes to Primary School.
Name List
Advertisement
56. Jack
A.Kid-Tough™ Digital Camera
57. Alice
B.Laugh & Learn™ Learning Table™
58. Lyyne
C.Brilliant Basics™ Big Discoveries Table™
59. Margaret
D.Baby Gymtastics™ Bat & Score Goal™
60. Peter
E. Go Baby Go!
 
F. ESPN Shot Block™ Basketball
题型:单项选择题

设连续型随机变量X的分布函数则k等于().

A.3

B.2

C.4

D.1

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亲系

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引起SG1025/18.3M317型锅炉回转式空气预热器损坏的原因有哪些?

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