【单选题】—What's the reason ______he didn't go to school last week? —The reason was______ he was ill. [ ]
【判断题】单位时间内流经管道任一有效截面的流体量为称为流量。
【单选题】The reason why the mice in Ader' s experiment avoided saccharin was that ______ .
A.
they disliked its taste
B.
it affected their immune systems
C.
it led to stomach pains
D.
they associated it with stomach
【简答题】单位时间内流经管道任一截面上的体积量,称为 。
【简答题】单位时间内流经管道任一截面的流体量称为 ,其表示方法有 和 两种。
【单选题】单位时间内流经管道任一截面流体的(),称为体积流量。
【单选题】As for Latin America generally, there’s no reason why, ______resources available, it can’t become a highly industrialized area.
【单选题】The reason why the mice in Ader's experiment avoided saccharin was that______.
A.
they associated it with stomachach
B.
it affected their immune systems
C.
it led to stomach pains
D.
they disliked its taste
【简答题】The reason why the mice in Ader’s experiment avoided saccharin was that ________. A) they disliked its taste B) it affected their immune systems C) it led to stomach pains D) they associated it with s...