杨某，31岁。胫腓骨折行石膏绷带包扎2小时后，出现脚趾剧痛，苍白发凉，足背动脉搏动减

Using the following assumptions, calculate the rate of return on a margin transaction for an investor who purchases the stock and the stock price at which the investor who shorts the stock will receive a margin call. Market Price Per Share: $25 Number of Shares Purchased: 1000 Holding Period: 1 year Ending Share Price: $22 Initial Margin Requirement: 50% Maintenance margin: 25% Transaction and borrowing costs: $0 The company pays no dividends What of the following choices is closest to the correct answer The margin transaction return and margin call are: Margin Transaction ReturnMargin Call（）①A. -24.00% $16.67 ②B. -12.00% $16.67 ③C. -24.00% $30.00

A. ①

B. ②

C. ③

不均匀系数

疟邪久留，屡发不已，气血耗伤，不时寒热，遇劳即发者为

A．寒战发热伴有咳嗽气急、胸痛等症

B．冬春

C．寒热往来，汗出热退，休作有时为特征

D．春夏

E．夏秋

（）俗称“拷铲”，意即用敲锈锤拷去厚的锈蚀物，用刮刀铲去薄的锈层。

A、干喷射除锈

B、动力工具除锈

C、手工除锈

D、化学除锈

对立案查处的案件，水行政机关应当及时指派（）以上水政监察人员进行调查。

A、两名

B、三名

C、一名

D、四名