If metal is heated and then cooled very quickly, , by dipping in cold water, it will be very hard but will break easily.
#91782
A
what’s more
B
in general
C
for example
D
on the other hand
推荐题目
—______ Emily is in such a hurry?—I don’t know. She might run to catch the bus.
#91743
A
Do you think why
B
Why you think
C
Why not think
D
Why do you think
It is thought that one billion people I the world, _____is half the word’s workers, earn their living by farming.
#91823
A
if
B
that
C
which
D
what
He fell off his bike and hurt his back._____, he will have to stay in hospital for a long time.
#91789
A
After all
B
In any case
C
As a result
D
In this way
-- How do you like the movie? -- ______, it’s not exciting enough, though lots of money has been spent on it.
#91765
A
To be general
B
To speak highly of it
C
To be honest
D
To be worth it
We’d better stay at home, for John isn’t feeling well. ______, he doesn’t like to eat outside.
#91777
A
Therefore
B
Certainly
C
Moreover
D
Meanwhile