threeinfluenzatypeAvirussubtyp

_____ three influenza type A virus subtypes(子类型) have been found in pigs.

A．By far

B．As far as

C．So far

D．Till far

登录免费查看答案和解析

相关试题

_____　in the front row at the ceremony, our distinguished guests are from home and abroad.

A．Seating

B．Being seated

C．Seated

D．To seat

收藏答案/解析

She wore , _____　was very uncommon in the country, a red garment.

A．what

B．which

C．of which

D．as

收藏答案/解析

Much to his joy, she will go on _____ holiday in _____ place of Emma.

A．a.a

B．x.a

C．x.x

D．the.the

收藏答案/解析

—Did you spend a lot of time looking for the missing child?
—________. It took us a long time, but luckily we found him.

A．My pleasure

B．Absolutely

C．Not at all

D．Don’t mention it

收藏答案/解析

However, at times this balance in nature is disturbed by human activities, _______ a number of possibly unforeseen effects.

A．lying in

B．calling in

C．taking in

D．resulting in

收藏答案/解析