單項(xiàng)選擇題

—You look worried. Wht’s your _ —I hve trouble lerning English.nmeB．questionC．problemD．—You look worried. Wht’s your _ —I hve trouble lerning English.nme B．question C．problem D．job

A.name
B.question
C.problem
D.job

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單項(xiàng)選擇題

_ you strt eting in helthier wy, weight control will become much esier.UnlessB．lthou_ you strt eting in helthier wy, weight control will become much esier.Unless B．lthough C．Before D．Once

A.Unless
B.Although
C.Before
D.Once

斜度可理解為一直線（）方向一致

答案： ["傾斜程度","傾斜"]