To succeed in a scientific research project, ______.A．one needs to be persistentB．persiste

According to this passage,（)．A． English is a sexist languageB． only in the scientific wor

He was reluctant to give up his travel plans but I succeeded in persuading him _____.A

Many people find ____ difficult to succeed in language learning.

A．To let them know another language.B．To enable them to succeed in business.C．To let t

Michelle is said ______ some progress in her scientific research in the past year.A．to hav

It in line 14 refers to______.A.the scientific credentialB.the experimental conclusionC.