PLC的梯形图程序经编译后才能执行。（）

阅读理解。

      Sam had a shop in the middle of the town. He sold pictures every day. All the

pictures were cheap. Lasi Saturday a woman came into the shop and looked at the

pictures. Then she took up one of them and asked, “How much do you want for this one?"

      Sam looked at it for a second and said,"This one is for ten dollars.’，

    “Ten clollars? Can I have it for one dollar?"asked the woman.

    “One dollar?"Sam said angrily, "You'll have to pay one dollar for a good piece of paper.”

    “Oh,but it was clean then,"the woman said.

根据短文内容，判断正(T)误(F)。

( )1. Sam's pictures were cheap because they were not good enough.

( )2. When the woman saw the picture, she decided to buy it at once.  

( )3. Sam was angry when he heard what the woman said.

( )4. In Sam's shop people could buy a good piece of paper for one dollar.

( )5. The woman didn't understand art at all.

以下自杀的相关因素不正确的是（）

A.重大的负性应激事件可能成为自杀的直接原因或诱因

B.独身、离婚、丧偶者自杀率高于婚姻状况稳定者

C.从事专门职业的医生、律师、作家、音乐家等的自杀率低于普通人群

D.西方国家的自杀率大多是男多于女，而我国则相差不大

E.凡政局动荡，经济萧条年份，自杀率一般会升高

普通贷款损失准备金在一定程度上具有资本的性质，可以一定程度上用于弥补银行的未来损失。 ( )

完全垄断市场类型的特点有( )。

A．垄断者能够根据市场的供需情况制定理想的价格和产量

B．垄断者在制定产品的价格与生产数量方面的自由性是有限度的

C．产品同种但不同质

D．企业是价格的接受者