热动元件的推杆行程随温度的升高而()。
A、减少
B、不变
C、降低
D、升长
参考答案:D
The two brothers _____ every day and there was no love left between them.
A.quarreled
B.hated
C.loved
D.worked
分立式试题和综合性试题是从()角度划分的。