(2013·银川高三二模)It remains to be seen ________ this plan is practical enough to keep the project going.
A．whether B．how
C．where D．when
(2013·浙江温州二模)Scientists have found evidence ________ global warming caused the world's first horses to become smaller nearly 50 million years ago.
A．what B．that
C．which D．whether
(2013·黄山高三二模)Some place names have been changing over the years. For example, Jinling in ancient China refers to ________ is now called Nanjing.
A．that B．which
C．what D．whether
(2013·四川省攀枝花市二模)________ we've set our mind on the goal, we must go through with the task.
A．As long as B．Even if
C．Now that D．If only
(2013·江西师大附中二模)All the soldiers were placed exactly ________ the local government wanted them for the control of the comeback of the flood.
A．while B．when
C．where D．though
(2013·江苏南京二模)Provide your doctor with a detailed medical history ________ he can give you accurate treatment.
A．even if B．in case
C．so that D．as though
