Chọn đáp án đúng:
A. 7 Z; -6 N.
B. 7 Z; -5 z; -5 N
C.7 N; -5 Z;
D.7 Z; -7 N.
Cái ô vuông ở giữa là thuộc nha mọi người !
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13 tháng 1
\(\dfrac{7}{3}-x=\dfrac{5}{9}:3\)
=>\(\dfrac{7}{3}-x=\dfrac{5}{27}\)
=>\(x=\dfrac{7}{3}-\dfrac{5}{27}=\dfrac{63-5}{27}=\dfrac{58}{27}\)
DT
Đỗ Thanh Hải
CTVVIP
8 tháng 6 2021
Question 23: What is the passage mainly about?
A. It is necessary for teens to join in sports and positive social activities.
B. Lack of adequate sleep puts teens at risk of performing poorly at school.
C. Modern technology has something to do with teens’ sleep problems.
D. Teens’ sleep is linked to their relationship with people around them.
Question 24: What does the word “them” in the passage refer to?
A. parents B. family dynamics C. warm relations D. teens
Question 25: According to Maume’s analysis, who will probably have a poor night’s sleep?
A. Teens who feel like talking with their parents.
B. Teens who lack a sense of security at school.
C. Teens who have friends sharing their dreams
D. Teens who feel contented about themselves
Question 26: The word “well-being” in paragraph 4 probably means______.
A. insecurity B. happiness C. excitement D. worrying
Question 27: According to the passage, which of the following is NOT TRUE?
A. Teens whose parents broke up can’t sleep well.
B. Parents can help their children sleep better by restricting their use of technology.
C. Parents have nothing to do with their children’s health habits.
D. Teens are unable to perform well at school if they don’t get sufficient sleep.
MN
8 tháng 6 2021
Question 23: What is the passage mainly about?
A. It is necessary for teens to join in sports and positive social activities.
B. Lack of adequate sleep puts teens at risk of performing poorly at school.
C. Modern technology has something to do with teens’ sleep problems.
D. Teens’ sleep is linked to their relationship with people around them.
Question 24: What does the word “them” in the passage refer to?
A. parents B. family dynamics C. warm relations D. teens
Question 25: According to Maume’s analysis, who will probably have a poor night’s sleep?
A. Teens who feel like talking with their parents.
B. Teens who lack a sense of security at school.
C. Teens who have friends sharing their dreams
D. Teens who feel contented about themselves
Question 26: The word “well-being” in paragraph 4 probably means______.
A. insecurity B. happiness C. excitement D. worrying
Question 27: According to the passage, which of the following is NOT TRUE?
A. Teens whose parents broke up can’t sleep well.
B. Parents can help their children sleep better by restricting their use of technology.
C. Parents have nothing to do with their children’s health habits.
D. Teens are unable to perform well at school if they don’t get sufficient sleep.
A : \(\in\) ; \(\notin\)
B : \(\in\) ; \(\in\) ; \(\notin\)
C : \(\in\) ; \(\in\)
D : \(\in\) ; \(\notin\)
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