Through this exchange, the students understand that to write a good composition, we must observe life and feel the truth of life Revise the wrong sentence

Through this exchange, the students understand that to write a good composition, we must observe life and feel the truth of life Revise the wrong sentence


The trouble with this sentence is that it lacks subject
Through this literary exchange, students understand that to write a good composition, we must observe life and feel the truth of life
Or:
This literary exchange made the students understand that to write a good composition, we must observe life and feel the truth of life
Hope to help you solve the problem!



It is one of the marks to judge a good article to correct the wrong words in the wrong sentence. Through this study, we understand a lot of truth


Change "yes" to "no"
Change "mark" to "standard"
"One" followed by "full stop"
"Cause" to be deleted
The change is as follows:
No typos is one of the criteria for evaluating a good article
Through this study, we understand a lot of truth



Through this literary and artistic writing activity, students understand that if they want to write a good composition, they must observe life and feel life


Through this literary exchange activity, students understand that to write a good composition, we must observe life and feel the truth of life
(or "this literary exchange activity has made students understand that to write a good composition, we must observe and feel the truth of life."



1 and 1, 2 and 2, 3 and 4 and 8, 5 and 16. What's the relationship between the former and the latter


N and 2 ^ (n-1)



How to find the derivative of e ^ - x (the - x power of E)?


Compound function, so use the chain rule
That is y = e ^ U
u=-x
So y '= e ^ u * u'
=e^(-x)*(-x)'
=-e^(-x)



There are four more people in class 3.1 than in class 6.2. After 1 / 20 of the people in class 6.1 jump into class 6.2, the number of people in both classes is the same. How many people are there in class 6.2?


There are x people in class 6.2;
There are x + 4 people in 6.1 class
x+(x+4)/20=(x+4)(1-1/20)
21x+4=19x+19*4
x=36
There are 36 people in class 6.2



Given that the polynomial a ^ 2 times x ^ 3 + ax ^ 2-4x ^ 3 + 2x ^ 2 power + X + 1 is a quadratic trinomial about X, find the value of a ^ 2 + 1 / A ^ 2 + a


a^2-4=0
a+2≠0
a=2
a^2+1/a^2+a
=5/6



What is the same mass of hydrogen as sulfuric acid (H2SO4)?
Excuse me. How many grams of water


Let x g of water and 49 g of sulfuric acid contain the same mass of hydrogen
X*2/18=49*2/98
X = 9g
9 grams of water and 49 grams of sulfuric acid (H 2SO 4) contain the same mass of hydrogen



First, we simplify the evaluation of 2 (square of M - 2Mn + 1) - (2-3mn + square of M), where M = - 1, n = - 1 / 2


=Square of 2m-4mn + 2-2 + 3mn-m
=Square Mn of M
=m(m-n)
=-1 (- 1 + 1 / 2)
=-1 / 2



How to calculate 19.8 divided by 3.3 in a simple way


You see, 19.8, split is 1, 9, 8, 1 + 9 + 8 = 18, so this number can be divided by 3, 3.3 is also, 19.8 / 3.3 = (19.8 / 3) / (3.3 / 3) = 6.6 / 1.1 = 6