Insectpestsareamongtheleadingcausesofcropfailure.
Thefactthatsomanypeoplestillsmokeinpublicplace_______thatwemayneedantionwidecampaigntoraiseawarenessoftheriksofsmoking.
AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent
Thecontrolsofmostmodernairplanescanbeoperatedeithermanuallyorautomatically.
2014年8月3日16时30分云南省昭通市鲁甸县发生6.5级地震,造成了房屋倒塌,人员伤亡,桥梁、公路、水利水电工程等设施的破坏,此统称为地震________。之后,又引发了山地滑坡、泥石流等,次统称为地震________。