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问题 单项选择题 A1/A2型题

下列何者不属于固定矫治器的优点（）

A.固位良好，支抗充足

B.能使多数牙移动；整体移动、转矩和扭转等移动容易

C.能控制矫治牙的移动方向

D.施力过大疼痛时，患者可自行卸下，避免损伤牙体牙周组织

E.体积小，较舒适

答案

参考答案：D

选择题

需要预测的不仅是投资，车多了路会堵，盲目扩张的大城市会生病，工资太低员工会“用脚投票”……在今天的中国，前瞻性研究尤为可贵。从哲学角度看，要获得准确的预测，需要 [ ]

①运用矛盾的观点，回避事物发展中的一切矛盾

②运用联系的观点，分析把握事物存在和发展的各种条件

③发挥意识能动作用，在理论基础上充分发挥主动创造性

④发挥主观能动性，不断完善对事物变化发展规律的认识

A．①②

B．①③

C．②④

D．③④
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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!

Ⅱ. 完形填空

/Close
通过下面短文，掌握其大意，然后再各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A．packed

B．concerned

C．marked

D．lined
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