读下图,完成题。沿箭头a方向自然带的变化属于:
A.纬度地带性规律 | B.经度地带性规律 | C.垂直地带性规律 | D.非地带性现象 |
沿箭头d方向属于非地带性现象,其形成的主导因素是:
A.地形 | B.海陆分布 | C.人类活动 | D.岩石性质 |
_____, experts point out that students can easily fail at starting their business because of a lack of preparations.
A.But | B.However | C.while | D.though |
It has always been the _____ of our goverment to encourage graduates to start their business.
A.plan | B.campaign | C.procedure | D.policy |
The most important _____ of his speech at the G20 summit was that we should all unite to fight against the finanical.
A.element | B.spot | C.view | D.point |
He directed exposure to pigs,otherwise he_______pig flu.
A.couldn’t get | B.wouldn’t have gotten | C.couldn’t have got | D.woud get |
In no time _______ me if he had any further information for pig flu..
A.will he declare | B.he would notice | C.would he notify | D.he will note |