下列各句中加横线成语的使用，全都正确的一项是（ ）①毛泽东在阐述具体问题运用成语时，能够做到随手拈来，简直如同手到擒来一般。②对于那些想要高速处理海量数据同时抗干扰技术的运营商，爱立信拥有规模和技术优势可以探囊取物。③而实际上，如果我们能从经营的角度认识和解决城市问题，许多困扰就会迎刃而解。④本次大赛中，组委会不顾中国代表团的反对，执意为疆独分子做宣传，中方对其险恶用心洞若观火。⑤克里表示，美方对伊朗过去的、被怀疑是为了制造核武器而进行的相关研发了如指掌。⑥习近平对泰戈尔的名句如数家珍，他说，泰戈尔的《飞鸟集》、《园丁集》等诗集他都读过。

Your city looks beautiful!—Yes. Lots of trees and grass ______ last year.

After staying in room for weeks, the lady was advised to go to the outside world to ______ her confidence as well as health.

To our _________, Jack arrived on time today.

The discovery of the new drug is of great ____ topeople who suffer from heart problems.