[填空题]The invisibility cloak can make something invisible by wrapping ______.

[填空题]The invisibility cloak can make something invisible by wrapping ______.

[填空题]How can people make use of sea water
They make use of it by （） the salt.

[填空题]The greatest difference people can make relatively easily is with ______.

[填空题]People can make clothes with it.

[填空题]Aimless wandering sometimes can make it possible for visitors to find some ______, which might be most memorable during their trip.

[单项选择]We can make an exception（）
A. in any case of John
B. in case of John
C. in case of John’s
D. in the case of John

[填空题]You can make others understand something.

[填空题]People can make work related injuries worse by aggravating them with bad habits outside the office.

[填空题]If you can make readjustments in your fitness plan as you age, you can stay strong and flexible and ______.

[单项选择]
Solving a longstanding mystery, scientists have found that the human heart continues to generate new cardiac cells throughout the life span, although the rate of new cell production slows with age.
The finding, published in the April 3 issue of Science, could open a new path for the treatment of heart diseases such as heart failure and heart attack, experts say.
"We find that the beating cells in the heart, cardiomyocytes, are renewed," said lead researcher Dr. Jonas Frisen, a professor of stem cell research at the Karolinska Institute in Stockholm, Sweden. "It has previously not been known whether we were limited to the cardiomyocytes we are born with or if they could be renewed," he said.
The process of renewing these ceils changes over time, Frisen added. In a 20-year-old, about 1 percent of cardiomyocytes are exchanged each year, but the turnover rate decreases with age to only 0.45 percen
A. the study of longstanding mysteries
B. the analysis of cardiac cells
C. the prevention of chronic diseases
D. the treatment of heart disease

[填空题]Continuing stress can make people’s bodies increase the production of cortisol and insulin.