皮皮学，免费搜题
登录
搜题
【单选题】
某物体做匀变速直线运动，其位移与时间的关系为x＝0.5t＋t²（m），则当物体的速度为3m/s时，物体已运动的时间为（）A.
1.25s
B.
2.5s
C.
3s
D.
6s
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Reconstituez les phrases originelles de Gaspard. 找出 Gaspard 的原话 1. « Tu m’avais dit que tu arriverais un peu tard, mais que nous pourrions aller dîner au restaurant thaïlandais. »
A.
Gaspard : « j’arriverais un peu tard, mais nous pourrions aller dîner au restaurant thaïlandais. »
B.
Gaspard : « j’arriverai un peu tard, mais nous pourrons aller dîner au restaurant thaïlandais. »
C.
Gaspard : « Si j’arrive un peu tard, nous pourrons aller dîner au restaurant thaïlandais. »
【单选题】防火墙客户端不能安装在()操作系统上。
A.
Windows Server 2003
B.
Windows 2000 Server
C.
Windows XP
D.
UNIX
【单选题】The largest set of wings on any bird, more than three meters across, is found on the albatross. They are so heavy that it is difficult for the albatross to flap them in order to take off and fly. Not ...
A.
The largest set of wings on any bird, more than three meters across, is found on the albatross.
B.
They are so heavy that it is difficult for the albatross to flap them in order to take off and fly.
C.
Not all large birds can fly.
D.
Albatross often nest on steep cliffs so that they can simply fall off into the air.
E.
Once they are airborne, they soar gracefully.
【简答题】补全对话，每空一词。 1.—Is this your notebook? —Yes, ______. 2.—Is that his eraser? —No,______. 3.—Is that his ruler? —______, it is. 4.—Is this her book? —______, it isn't. 5.—Is this your backpack? —______, i...
【简答题】选用括号中适当的代词填空。 1. Is this _____ eraser? (he, his) 2. Is _____ (she, her) Mrs Li ? Yes. 3. That's _____ (my, I) pencil. 4. Is that _____ (you,your) dictionary? No, _____ (it, its) isn't. 5. Can _____ s...
【单选题】With the guide _they way, we set off on foot into the dark night.
A.
leading
B.
led
C.
leads
D.
to lead
相关题目：