Many a young scientist_____ engaged in the research work.（）

• A、have

• B、has

• C、have been

• D、has been

Silver is the best conductor of electricity, copper _____it closely.（）

• A、followed

• B、following

• C、to follow

• D、being followed

書面表達(dá)

以“Failure and Success”為題寫一篇短文，內(nèi)容包括：

(1)人生中遭遇失敗很常見;

(2)每個人都渴望成功;

(3)失敗是走向成功的必經(jīng)之路。