Question

One-third of the area ________ covered with trees. About seventy percent of the trees _______ been planted recently.

A．is; has

B．is; have

C．a(chǎn)re; have

D．a(chǎn)re; has

Answer 1

B

試題分析：考查主謂一致：當(dāng)主語被分?jǐn)?shù)或百分?jǐn)?shù)修飾時，謂語和后面的名詞一致，第一空One-third of +單數(shù)名詞+單數(shù)謂語，第二空seventy percent of +復(fù)數(shù)名詞+復(fù)數(shù)謂語，句意：三分之一的地區(qū)被綠樹覆蓋。已經(jīng)種植了大約百分之七十的樹木。選B。
點評：主謂一致的考點較多，要在理解的基礎(chǔ)上加以記憶，多練習(xí)加以鞏固。這里考查的是如果當(dāng)主語被分?jǐn)?shù)或百分?jǐn)?shù)修飾時，謂語和分?jǐn)?shù)或百分?jǐn)?shù)后面的名詞一致。