一般情况下，弥散障碍主要导致(  )
   A．氧分压升高、二氧化碳分压升高  B．氧分压降低、二氧化碳分压不升高
   C．氧分压不变、二氧化碳分压不变  D．氧分压不变、二氧化碳分压升高
   E．氧分压降低、二氧化碳分压不变

It was ______ told them the news. A．me that...

单项选择题It was ______ told them the news.
      A．me that        B．me who             C．that I           D．I that

访问调查法可以分为( )和深层访谈法。A.入户访问法B.拦截式访问法C.焦点小组座谈法D.计算机辅助访问法E....

未知题型访问调查法可以分为( )和深层访谈法。

We shall be very much ______ if you will effect shipmen...

单项选择题We shall be very much ______ if you will effect shipment as soon as possible, thus enabling them to catch the brisk demand at the start of the season.
   A．obligated    B．oblige     C．obligation  D．obliged