车辆照明系统灯有哪些？

蛋白质的生理价值取决于食物蛋白质中（）

A.氮的含量

B.氨基酸的含量

C.必需氨基酸的数量

D.氨基酸的种类

E.必需氨基酸的种类和数量

(a) Mr Zhang, a Chinese citizen, is a University professor. He had the following income for the month of January 2009:(1) Monthly employment income of RMB 18,000 and a bonus for the year 2008 of RMB 12,000.(2) Income of RMB 18,000 for publishing a book on 6 January 2009. One of the chapters of the book was published in a magazine as a four-day series commencing on 19 January 2009 for which Mr Zhang received income of RMB 1,000 per day.(3) A net gain of RMB 12,000 from trading in the A-shares market.(4) Income of RMB 4,800 for giving four separate seminars for Enterprise X.(5) A translation fee of RMB 5,200 from a media publisher.(6) Received RMB 300,000 from the sale of the property (50 square metres) that he had lived in for six years.Mr Zhang had acquired the property for RMB 180,000.(7) Gross interest income of RMB 6,000 from a bank deposit.(8) Received RMB 11,000 as insurance compensation.Required:Calculate the individual income tax (IIT) payable (if any) by Mr Zhang on each of his items of income for the month of January 2009, clearly identifying any item which is tax exempt. (10 marks)

肝上界时， ( )

A．右锁骨中线叩诊由清变浊
B．左腋中线叩诊由清变浊
C．右锁骨中线叩诊由浊变实
D．右锁骨中线叩诊由鼓变浊
E．右锁骨中线叩诊浊音消失

mitosis (有丝分裂)

风险的不确定性不包括以下哪项______。

A．风险是否发生不确定 B．何时发生不确定
C．产生的结果不确定
D．发生的原因不确定