Question

Since no one really knows what effects the GM food might have _____ us humans, many countries think that they should be cautious _____ this new technology.

A．a(chǎn)bout; with

B．on; to

C．in; to

D．on; with

Answer 1

D

試題分析：
根據(jù)句意：因?yàn)闆]有人真正知道轉(zhuǎn)基因食物可能對我們?nèi)祟愑惺裁从绊�，許多的國家認(rèn)為他們呢應(yīng)該對新技術(shù)抱以謹(jǐn)慎的態(tài)度。
have effects on sth 對…有影響
be cautious with sth 對…謹(jǐn)慎小心的
be cautious to do sth 對做…謹(jǐn)慎小心的。故選D
點(diǎn)評：像這種固定短語的題目，重在分析句子成分，調(diào)整語序，并看懂意思。另外此句出自課本原文，平時需對課本反復(fù)朗讀加深印象。