防管控制系统就是对（）系统和ASR系统的统称A．EFI； B．EGR； C．ABS；

与移植物超急性排斥反应发生机制有关的因素是受者体内预先存在（）。

A.CD4（+）T淋巴细胞

B.抗供者移植物抗体

C.MHC抗原表达

D.激活补体

E.CD8（+）T淋巴细胞

________ May as planned at first, the Smiths decided to set out to Hainan at the end of April.

A．Instead of

B．In spite of

C．In place of

D．In need of

化学事故应急救援实施的基本步骤是什么？

Two economists, Pearl Millidge and Byron Forrest, are discussing theories that explain why increased inflation causes nominal interest rates to rise. They offer the following explanations: Millidge: Because businesses expect higher prices for their output in the future, they will expect a greater return on their investments and will increase their demand for financial capital, which will drive interest rates higher. Forrest: Savers expect to pay higher prices for goods and services in the future, so they will be less willing to trade current consumption for future consumption and will therefore supply less financial capital, so interest rates increase. Are these explanations correct Millidge Forrest（）①A. Correct Correct ②B. Correct Incorrect ③C. IncorrectCorrect

A. ①

B. ②

C. ③

----_____you from Australia ?  ----I’m from Canada.

A．Can

B．Are

C．Do

D．Where are