Question

【题目】According to research, children whose parents __________ are more likely to have difficulty __________ their studies.

A. split up ； concentrating on

B. broke into ；to focus on

C. gave up ；concentration on

D. put into ； focusing on

Answer 1

【答案】A

【解析】have difficulLy (in) doing sth. 为固定搭配。句意：根据研究，父母离异的孩子更有可能在集中注意力学习方面有困难。split up离异，分开；break into强行闯入；giv up放弃；put into投入；concentrate on集中注意力于；focus on(把……)集中(于)。