用方框中所给单词的适当形式完成短文coughfeverhealthillnessstomachachetemperatureItiseasytolookafteryour1..Justdosomeexercise，suchasrunning.Donoteatfastfood!Itmaygiveyoua(n)2..Mo
用方框中所给单词的适当形式完成短文
cough fever health illness stomach ache temperature
It is easy to look after your 1. . Just do some exercise，such as running. Do not eat fast food!It may give you a(n) 2. . Most 3. are not dangerous but when you catch a cold or get a(n) 4. ，you may also get a (n) 5. . This means your 6. is higher than usual. If you have been ill for more than one day go to the doctor.
1. health 2. stomach ache 3. illnesses
4. cough 5. fever 6. temperature
关于矩阵的秩的问题题:设A为4×3矩阵,B为3×4矩阵,且R(A)=2,R(B)=3,求R(AB) 2020-05-13 …
排列字母 组成单词 写出中文意思u s n e r e d s t n i t 2020-05-14 …
设关系R、s和T分别如下图所示,其中T是R和S的一种操作结果。则A.T=R ∞SB.T=R∞SC<E 2020-05-23 …
设关系R,S和T分别如下图所示。则有 A.T=R∪SB.T=R－SC.T=R×SD. 2020-05-23 …
r(A*A^T)=r(A^T*A)=r(A)证明方程AX=0与A^TAX=0同解AX=0显然有A^ 2020-06-10 …
(1)I=U/R(2)W=I²RT(3)W=U²T/R(4)W=UIT(5)W=PT(6)P=UI 2020-07-18 …
关于高一函数的换元法已知f(x-1)=x²-2x,求f(x)老师给的解题过程：设t=x-1∵x∈R 2020-08-01 …
已知质点运动方程为r(t)=x(t)i+y(t)j其中x(t)=(m/s)t+2m,y(t)=(1/ 2020-11-01 …
C程序中，对的数组有1.合法的数组定义是()。A.chara[]={‘s’,‘t’,‘r’,‘i’, 2020-12-05 …
英文单词分类填空动物类1.O()t()p()s2.k()t()e()3.l()b()t()r4.a( 2021-02-05 …