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问题 单项选择题 A1/A2型题

男性，30岁，患急性淋巴细胞白血病，经VLDP方案治疗后完全缓解，下一步最理想的治疗方法是（）

A.尽早行自身骨髓移植

B.尽早行自体外周血干细胞移植

C.尽早行异基因骨髓移植

D.第2次缓解时进行骨髓移植

E.行巩固和强化治疗

答案

参考答案：E

选择题

关于速度和加速度的关系，下列说法正确的是

A．速度变化越大，加速度就越大

B．速度变化越快，加速度越大

C．加速度大小不变，速度方向也保持不变

D．加速度大小不断变小，速度大小也不断变小
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单项选择题

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 (16) She cared for them and felt great love for them.

Once the (17) and per of the two birds flew from the cage. Therefore, (18) he flew close, she grasped him (19) She felt glad, but suddenly she felt the bird go limp. She opened her hand and (20) 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 (21) She lifted him from the cage and (22) 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 (23) with her loss. Suddenly the bird flew closer and (24) softly on her shoulder. It sang the sweetest melody that she had ever heard.

The fastest way to (25) love is to hold on it too tightly, while the best way to keep love is to give it WINGS!

17().

A.weaker 

B.taller 

C.larger 

D.shorter
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