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【多选题】
设【图片】, 【图片】分别是方桌两对角的桌脚离地距离之和. 下列方桌平稳问题的数学描述中, 正确的有 .A.
已知 , 都是连续函数, 且满足 , , , 则存在 使得 .
B.
已知 , 都是连续函数, 且满足 , , , 则方程 在 内有解.
C.
已知 , 都是连续函数, 且满足 , , , 则存在 使得 .
D.
已知 , 都是连续函数, 且满足 , , , 则存在 使得 .
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举一反三
【单选题】Along with the letter was his wish _______ he would visit me this coming vacation. [ ]
A.
which
B.
that
C.
what
D.
whether
【单选题】某企业现在将 1 000 元存入银行,年利率为8%,复利计算,5 年后企业可以从银行取出( )元。
A.
1 400
B.
1452.6
C.
1 469
D.
1 685.1
【单选题】早产儿男,日龄 1 天。有窒息史,主要表现嗜睡,反应差,肌力低,查体,前囟张力稍高,拥抱、吸吮反射减弱,初步诊断:新生儿缺氧缺血性脑病。2小时前患儿出现惊厥,首选药物应为
A.
水合氯醛
B.
苯巴比妥
C.
安定针
D.
葡萄糖注射液
【单选题】His presence is______of his wish to join us.
A.
indicative
B.
confirming
C.
positive
D.
evident
【简答题】Now parents are 花费 more and more on their Children,s education.
【单选题】Parents are now more likely to give their children unique names, rather than_______ones.
A.
popular
B.
normal
C.
usual
D.
standard
【单选题】Pushy parents are _____ new, but now parents seem to push their children a lot more.
A.
something
B.
nothing
C.
anything
D.
everything
【单选题】What is the woman's wish for Mark?A．To quit smoking.B．To reduce his weight.##
A.
What is the woman's wish for Mark? A．To quit smoking.
B.
To reduce his weight.
C.
To find a girlfriend.
D.
To follow her advice.
相关题目：
【单选题】His presence is______of his wish to join us.
A.
indicative
B.
confirming
C.
positive
D.
evident