高中英语单选题

Some pills many people take to achieve or maintain their desired weight will lower their life expectancy_____ they contain something harmful．

A．so that

B．in that

C．even if

D．as if

We shall not start the project until it __________ by the committee.

A．will be approved	B．approves
C．has been approved	D．is to approve

Bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.

A．pack up	B．build up
C．bring up	D．take up

With many cities in China dreadfully blanketed by thick haze, the environmental problem is _____ Chinese people concern most nowadays.

A．what

B．which

C．where

D．when

According to scientists, our mental abilities begin to _____ from the age of 27 after reaching the highest level at 22.

A．differ

B．shrink

C．fail

D．decline

Smiles around the world _____ be false, _______ other feelings like anger, fear or worry.

A．must; hide	B．shall; hiding
C．may; hide	D．can; hiding

The doctor tried to laugh my brother _____ his fears about the coming operation.

A．from

B．against

C．off

D．Into

---Why are you so crazy about music?
--- Because I can always find in music _____ peace that is missing in _____ world full of challenges.

A．the; a

B．the;/

C．/; a

D．/; the

---I’m planning to go to Kingdom of Cambodia this summer vacation. I think the trip will be exciting.
---___________, as it’s the rainy season then.

A．Yes, it will	B．Of course not
C．You can say so	D．It’s hard to say

Emily is working hard to be sure not to fail on her first ______.

A．plan

B．purpose

C．attempt

D．desire

Without electricity human life ______ quite difficult today.

A．is	B．will be
C．would have been	D．would be

Little Johnny felt the bag, curious to know what it _______.

A．collected	B．contained
C．loaded	D．Saved

— I’m still working on my project.
— Oh, you’ll miss the deadline. Time is ______.

A．running out	B．going out
C．giving out	D．losing out

We hadn’t planned to meet. We met ______ chance.

A．of

B．in

C．for

D．By

Everyone in our class likes Mary because she is good at telling and ______ jokes.

A．turning up	B．putting up
C．making up	D．showing up