PC、管积粉的危害有哪些？

Jack is six. He is old enough to go to school. On the first day, his teacher teaches him three words,“l, you, he”.Then the teacher says, “I am your teacher. You are my student. He is your classmate.” When school is over, Jack goes home. His mother asks him. “What does your teacher teach you today?”Jack says with a smile(微笑),“Listen, Mum and Dad, I am your teacher.

You’re my student. He is your classmate.”His mother says,“N0, dear. You’re wrong.”Then she says,“I am your mother. You’re my son. He’s your father.”The next day. Jack’s teacher asks Jack to make sentences(造句)with“I, you and he”.Jack stands up and says. “l’m your mother. You’re my son. He is your father.”All the students in Jack’s class laugh(笑).

小题1:Who teaches Jack new words?

A. His friend.     B. His teacher.    C. His mother

小题2:How many words does he teach?

A.2              B.3             C.4

小题3:Does Jack understand(理解)what his teacher teaches?

A. Yes, he does.

B.N0, he doesn’t.

C.N0, but he understands what his mother says.

小题4:What do you think of the boy?

A. He is kind.     B. He is clever. (聪明)    C. He is foolish.(愚蠢)

小题5:Who is laughing?

A. His mother.    B. His teacher.    C. His classmates.

女性，52岁，因结节性甲状腺肿接受了甲状腺大部切除术。术中顺利，术后安返病房。

护士指导该患者在术后当天进温凉流食的目的是（）

A.促进排便

B.增进食欲

C.观察有无呛咳

D.预防甲状腺危象

E.避免颈部血管扩张出血

BSC中处理7号信令是哪块模块（）

A.PLLH

B.PPLD

C.QTLP

D.PPCC

某企业的土地为划拨所得，企业效益不好，遂将一栋办公楼出租给一家电脑公司作办公楼使用，双方签订了书面租赁合同，以下说法正确的是

A．企业的土地为划拨所得，企业不能将土地上的房屋出租，所以企业和电脑公司的租赁合同无效
B．企业的土地为划拨所得，电脑公司享有撤销权，电脑公司撤销租赁合同，租赁合同自始无效
C．企业可以将划拨土地上的房屋出租，但是应将租金中所含土地收益上缴国家
D．企业和电脑公司应当到房产管理部门登记备案租赁合同，租赁合同自办理登记备案之日起生效

某公司从美国进口一批货物，其包装材料为非针叶木，报检时应提供美方出口商出具的“无木质包装声明”。( )