ad planned to go for a picnic,but because of the rain they had to stay home_______

ch 2013, Xi Jinping, ____ leader of the ChineseCommunist Party, was warmly received by Putin, who was elected ____ presidentof Russia two years ago

依次填入下列各句横线处的成语，最恰当的一组是（ ）（1）针对盲目出国留学的乱象，留学专家尹航提醒广大学生和家长，在选择出国前务必要 ，做严格的选择和必要的规划。（2）叶笃正院士是我国气候变化研究领域的泰斗级人物，90多岁了，仍然没有停止研究和思考，仍在为人类的生存环境 。（3）中印边界谈判过后，印度一些人又开始 地制造中印水纷争的话题，并称这是比中印边界争端还要严重的“战略问题”。

ing to the agreement, nobody _______ letout how they spent the three days in the cave.

_________with enough ability for thepresent job， Mikewas not fit for it and he had to quit it.