50道连词中考真题练习（附超详细解析）

(  )1.(2017温州中考)____ the scientists have done lots of research on Mars，there is still much waiting to be discovered. A． Though B．Since C．Unless A      (  )2.(2017新疆中考)____Jack was a little disappointed，he still went on with his work. A． Although B．If   C．Since A   (  )3.(2017南充中考)—Mike，let's prepare for our baseball game. —OK.We'll lose the game ____ we try our best. A． unless        B．once       C．After A     (  )4.(2017安徽中考)Hold your dream，____ you might regret some day. A.and  B．or  C．but B (  )5.(2017青岛中考)Jack's mother was so tired.She fell asleep____ she lay down on the bed. A.until  B．as soon as  C．unless B (  )6.(2017德州中考)Many people like reading newspapers ____ they can learn what's happening in the world. A．so that     B．ever since     C．as soon as    A (  )7.(2017成都中考)Many people still try to climb Qomolangma every year ____ it is very dangerous. A．when        B．if          C．though C (  )8.(2017泰安中考)I didn't believe I could do it ____ I got to the top of Moun