4.13I’ll never forget the day ()I became a doctor.

A. 　 my

B. 　 our

C. 　 ours

D. 　us

A. 　 receives

B. 　 produces

C. 　 sends

D. 　 earns

A. 　difficult

B. 　 expensive

C. 　 beautiful

D. 　 familiar

A. 　 in addition to

B. 　 in place of

C. 　 in honor of

D. 　 in exchange for

A. 　places

B. 　gardens

C. 　 ways

D. 　 stations

A. 　 hardly

B. 　 almost

C. 　 much

D. 　 far

A. 　自然界的东南季风是中国境内春风的来源之一。

B. 　中原在地域辽阔的中国,长久拥有主导话语权。

C. 　西南季风以及西北季风对中国气候的影响微乎其微。

D. 　受农耕文化以及气候的影响,“东风”的说法比较广泛。

A. 　 could you

B. 　 couldn’ t I

C. 　 couldn’t we

D. 　 could we