在北方果树上的果树食心虫种类有哪些？它们为害果实的主要为害状是什么？

A.down the living standard come B.the living standard came down

C.came down the living standard D.down came the living standard

Up went the prices and______.

A．the living standard came down

B．down did the living standard come down standard

C．came down the living standard

D．down came the living standard

Generation X______.

A．will experience a poorer living standard soon

B．is experiencing a poorer living standard now

C．may experience a poorer living standard

D．may not experience a poorer living standard

A、productivity and the standard of living

B、productivity but not the standard of living

C、the standard of living but not productivy

D、neither the standard of living nor productivity

Up went the prices and __________.

A) the living standard came down

B) down did the living standard come

C) came down the living standard

D) down came the living standard

Up went the prices and

A.the living standard came down

B.down did the riving standard come

C.came down the living standard

D.down came the living standard

Up went the prices and

A. the living standard came down

B. down did the riving standard come

C. came down the living standard

D. down came the living standard

Generation X

A．will experience a poorer living standard soon.

B．is experiencing a poorer living standard now.

C．may experience a poorer living standard.

D．may not experience a poorer living standard.

Our living standard is still very low, but we are ______ living in poverty.

A．by all means

B．by no means

C．by every means

D．by means of