出现于收缩期的额外心音是（）A.心包叩击音 B.开瓣音 C.喀喇音 D.大炮音 E.

下列哪项不是关元穴的主治病证（）。

A.中风脱证、虚劳冷惫

B.癫狂、失眠

C.少腹疼痛、疝气

D.遗精、阳痿、早泄

E.月经不调、痛经

体内脂肪大量动员时，肝内生成的乙酰辅酶A可生成（）

A.葡萄糖

B.二氧化碳和水

C.胆固醇

D.草酰乙酸

E.酮体

Raleigh Equipe RW Road Bike

Item condition :New Read more about the condition .

Price :GB￡199.98or US$319.98

Item location :Newcastle upon Tyne , United Kingdom Ships to :Worldwide

Shipping: GB￡100.00International Tracked Postage

Item location :Newcastle upon Tyne, UK

Ships to :Worldwide

This machine gets you going for your first taste of fast riding on a drop bar machine．With thegear shifters（齿轮变速器）positioned to allow you easy changing，you can relax and speed off instyle ．Equipped with 28 mm tyres and mudguard clearance，this bike can be perfectly adapted tosuit several uses一from commuting（通勤）through to riding the smoother country trails.

Very lightly ridden and in excellent condition．Bike has about 400 miles on it，has spent most of its time hanging in garage and works great．Will show signs of normal mountain bike use．

小题1:What can we learn from this passage？

A．The Raleigh Equipe RW Road Bike is suitable for different purposes．

B．The Trek Supeif y World Racing Team Mountain Bike is in poor condition．

C．The Specialized Stump Jumpber Mountain Bike is the most expensive of the three．

D．It’s easy for people worldwide to buy the three bikes with the same shipping company．小题2:If you ordered the Raleigh Equipe RW Road Bike，you are supposed to pay about＿＿．

A．US＄490 .17

B．US＄439.17

C．US＄419.98

D．US＄499.98小题3:What do the last two bikes have in common？

A．Both were much ridden after being bought．

B．Both have the same transportation expense．

C．Both come from the UK and fit for mountain．

D．Both are second一hand and sold from the USA

下列对一些实验事实的理论解释正确的是   (　　)。

（）会导致发动机冒蓝烟。

A.经常急加速

B.水温过高

C.燃油油号不对

D.扭曲环装反