下图是某物体做直线运动的各种图象,其中、、、分别表示物体的速度、加速度、所受到的合外力、动能,则该物体一定不做匀变速直线运动的是
答案:D
What’s that? a box.
A.It
B.It’s
C.That’s
D.Is
Jobs are hard to get and, _____, more young people are continuing their education. [ ]
A. above all
B. as a result
C. after all
D. on the contrary