与活性关联关系最弱的因素是（）。A、乙烯分压B、催化剂AL/TI比C、床层高度D、反

One day while a girl was walking in the woods she found two starving songbirds. She took them home and put them in a small (31) . She cared for them and felt great love for them.

Once the (32) and per of the two birds flew from the cage. Therefore, (33) he flew close, she grasped him (34) . She felt glad, but suddenly she felt the bird go limp. She opened her hand and (35) in horror at the dead bird.

She noticed the other bird moving back and forth on the edge of the cage. She could feel his great need for (36) . She lifted him from the cage and (37) him softly into the air. The bird circled once, twice, three times.

The girl watched delightedly at the bird’ s enjoyment. Her heart was no longer (38) with her loss. Suddenly the bird flew closer and (39) softly on her shoulder. It sang the sweetest melody that she had ever heard.

The fastest way to (40) love is to hold on it too tightly, while the best way to keep love is to give it WINGS!

（36）（）

A.weaker

B.taller

C.larger

D.shorter

PEG（经皮内镜下胃造口）的禁忌证包括（）。

A.INR>1.5

B.中度腹腔积液

C.服用低剂量的阿司匹林

D.腹膜炎

E.腹膜透析

下列物质的名称及化学式均正确的是 [ ]

A．氦气He₂

B．氧化铁Fe₂O₃

C．碳酸钠NaCO₃

D．高锰酸钾K₂MnO₄

若在Shape控件内以FillStyle属性所指定的图案填充区域，而填充图案的线条颜色由FillColor属性指定，非线条的区域由BackColor属性填充，则应( )。

A．将Shape控件的FillStyle属性设置为2至7间的某个值，BackStyle属性设置为1

B．将Shape控件的FillStyle属性设置为0或1,BackStyle属性设置为1

C．将Shape控件的FillStyle属性设置为2至7间的某个值，Backstyle属性设置为0

D．将Shape控件的FillStyle属性设置为0或1，BackStyle属性设置为0

对于胶囊隔膜密封的储油柜连接的呼吸器，下列说法正确的是（）。

A.此呼吸器和胶囊隔膜与油枕之间的空气连通

B.呼吸器应充变色硅胶，受潮后由蓝色变为粉红色

C.呼吸器底座渗油说明油枕密封不严

D.呼吸器硅胶要适量，不能太满，也不能太少