1.     Vegetables should make up a large _____________ in your plate, usually 50%.

Modern medicine has achieved great breakthroughs. Doctors can ___________organs in our body easily and accurately without any risk to your life.

In the future, robots will replace doctors in performing _____________with perfect accuracy and safety.

The automation, replacement of robots and other artificial intelligence equipment can reduce __________and bring out more profit for large companies; however, what should we do with the high unemployment rate?

I wonder why women in the past didn’t feel bored with ___________household tasks like cooking meals, washing dishes, doing the laundry, etc.

The _____________are having a brief meeting to discuss some key points before working with the press about their new product introduction.

Some people believe that the regular ______________of doing something can help them become more and more perfect.

Some governments are improving their security systems in order to protect their computer systems from _____________

The new series of smart phones are recalled because of some serious security ____________.

The air-conditioner isn’t working properly. I think there may be some _____________, call a technician to fix it.