定作人的任意解除权

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

A garden that’s just right for you

Have you ever visited a garden that seemed just right for you, where the atmosphere of the garden appeared to total more than the sum(总和) of its parts?    36   . But it doesn’t happen by accident. It starts with looking inside yourself and understanding who you are with respect to the natural world and how you approach the gardening process.

●37  

Some people may think that a garden is no more than plants, flowers, patterns and masses of color. Others are concerned about using gardening methods that require less water and fewer fertilizers(肥料).    38   . However, there are a number of other reasons that might explain why you want to garden. One of them comes from our earliest years.

●Recall(回忆) your childhood memories

Our model of what a garden should be often goes back to childhood. Grandma’s rose garden and Dad’s vegetable garden might be good or bad, but that’s not what’s important.    39   --how being in those gardens made us feel. If you’d like to build a powerful bond with your garden, start by taking some time to recall the gardens of your youth.    40    then go outside and work out a plan to translate your childhood memories into your grown-up garden. Have fun.

39（）

A. Know why you garden

B. Find a good place for your own garden

C. It’s our experience of the garden that matters

D. It’s delightful to see so many beautiful flowers

E. Still others may simply enjoy being outdoors and close to plants

F. You can produce that kind of magical quality in your own garden, too

G. For each of those gardens, writer down the pest memory you have

如图所示，电阻r=0.1Ω的导体棒ab沿光滑的导线框向右做匀速运动，线框左端接有电阻R=0.4Ω，线框放在磁感应强度B=0.1T的匀强磁场中，磁场方向垂直于线框所在平面，导体棒ab的长度L=0.4m，运动速度v=5.0m/s．线框的电阻不计．

（1）电源的电动势（即产生的感应电动势）为多少？电路abcd中的电流为多少？

（2）求导体ab所受的安培力的大小，并判断其方向．

（3）外力做功的功率是多少？

（4）电源的功率为多少？电源内部消耗的功率是多少？外部电阻R消耗的功率是多少？

安全带的正确使用的规定是（）。

A．安全带使用时应高挂低用，垂直使用，防止摆动碰撞

B．安全带长度一般为1.5～2m，使用3m以上长绳时，应加缓冲器

C．在系挂安全带时，不应将系绳打结使用，也不准将挂钩直接挂在不牢固物体上或安全绳上，应挂在连接环上使用

D．以上均正确

小王与小李共同出资成立了一家企业，双方通过协议约定共同经营的责任和分配比例，二人都以个人财产对外承担无限责任，企业本身不是民事主体，则该企业属于______

A．无限公司
B．两合公司
C．个人独资企业
D．合伙企业

关于铁粒幼细胞性贫血的特征，下列哪一项是错误的

A．骨髓红系增生

B．细胞内外铁明显增多

C．出现大量环形铁粒幼红细胞

D．呈低色素性贫血

E．骨髓粒系增生