《关于证券投资基金税收政策的通知》规定，自2004年1月1日起，对证券投资基金管理人

阅读短文，判断句子对( √)错(×)。

      My name is Amy. Tomorrow is Sunday. But we are going to have a busy Sunday! My mother is going to

buy some food. My father is going to visit my grandparents. I'm going to play ping-pong with my classmates.

Then we are going to the cinema in the evening. That will be fun!

( ) 1. Tomorrow is Saturday.

( ) 2. Amy's mother is going to buy some food.

( ) 3. Amy's father is going to visit his friends.

( ) 4. Amy is going to play computer games.

( ) 5. Tomorrow evening they are going to the cinema.

COPD的主要体征不正确的有（）

A.早期可无异常体征

B.随着病情的发展，可出现桶状胸、呼吸浅快等

C.叩诊可发现过清音，心浊音界缩小，肺肝界下移

D.双肺呼吸音低，吸气时间延长

E.部分患者可闻及干、湿性啰音

如图所示，一个质量m = 20kg的物块，在F = 60N的水平拉力作用下，从静止开始沿水平地面向右做匀加速直线运动。物块与地面间的动摩擦因数μ = 0.10。取重力加速度g = 10m/s²。

（1）画出物块的受力示意图；

（2）求物块运动的加速度大小；

（3）求物块速度达到v = 6.0m/s时移动的距离。

设4阶行列式

则D等于（）．

A.a2d2-b2c2

B.（ad-bC.2

C.（ab-cD.2

D.a2b2-c2d2

乳香的药用部位是（）

A.胶树脂

B.油树脂

C.酯树脂

D.油胶树脂

E.香树脂