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【单选题】
烧伤患者补液时,胶体和电解质的一般比例
A.
1 : 1
B.
0 . 5 : 1
C.
1 : 0 . 5
D.
1 . 2
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举一反三
【单选题】With two children _____ middle school, the parents are working hard.
A.
attended
B.
being attended
C.
having attended
D.
attending
【单选题】________ the housing price, several measures have been adopted in the last two years.
A.
Lowering
B.
Having lowered
C.
To lower
D.
To have lowered
【单选题】晨僵在哪类关节炎中表现最为突出
A.
退行性骨关节炎
B.
风湿性关节炎
C.
类风湿关节炎
D.
感染性关节炎
E.
强直性脊柱炎
【多选题】青海的世居少数民族主要有()。(题库2018)
A.
藏族
B.
苗族
C.
土族
D.
撒拉族
E.
蒙古族
【多选题】跳伞运动已成为年轻人时髦的极限运动之一,跳伞时人像翱翔的雄鹰一样,从几千米,甚至上万米高空俯冲下来。某人跳伞将经历加速下降和减速下降两个过程,将人和伞看成一个系统,在这两个过程中,下列说法正确的是
A.
在加速下降的过程中,系统的机械能增大
B.
在减速下降的过程中,系统受到的合力向上
C.
系统的重力势能一直减小
D.
任意相等的时间内重力做的功相等
【单选题】To save class time, our teacher has ______students do half of the exercises in class and complete the other half for homework.
A.
us
B.
we
C.
our
D.
ours
【单选题】—There __________ two football matches on TV tomorrow afternoon. —Really? That's great. [     ]
A.
will have
B.
are going to be
C.
is going to be
D.
are going to have
【多选题】( )可以使用贪心算法得到整体最优解。
A.
活动安排问题
B.
部分背包问题
C.
最优装载问题
D.
多机调度问题
E.
0-1背包问题
【单选题】To save class time, our teacher has ______ students do half of the exercises in class and complete the other half for our homework. [     ]
A.
we
B.
us
C.
our
D.
ours
【单选题】To save class time, our teachers has _____ students do half of the exercise in class and complete the other half for our homework.
A.
us
B.
we
C.
our
D.
ours
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