In my opinion, no search engine can ____ Baidu in search scope and speed (搜索速度和范围）.

I bought lots of English test papers _______________ my brother’s advice.

In some countries poisonous snakes can be used to __________ the jewels in the shop at night.[ ]

Many officials call for global cooperation to ________ some”real security threats” the world is facing. [ ]

The number of farmers with Internet access has dramatically increased, _____the way farmers do business.