【判断题】在选优良品种时，应在专家的指导下，选用经国家有关部门鉴定的品种，这些品种多来源于科研单位、教学单位和经过国家验收认定的育种场内。

【单选题】—______ Emily is in such a hurry? —I don’t know. She might run to catch the bus.

【单选题】— Hurry up. The bus is coming. — Wait a minute. Don’t cross the street___________the traffic lights change to green. A. until B. after C. while D. since

【单选题】Don’t hurry. The bus won’t start ________ everybody gets on.

【单选题】Everyone was on time for the meeting_____ Chris, who is always 10 minutes late for everthing.

【单选题】下列4种药物中,治疗指数最大的是( )

【单选题】---Hurry up. The bus is coming. ---Wait a minute. Don’t cross the street ___ the traffic light are green.

【简答题】M: Excuse me, but I’d better 1)______________ . W: Can’t you stay 2)_____________ ? M: No. I’m sorry, but I really have to go. I’ll 3)____________ if I don’t hurry. W: When does the last bus go? M...

【单选题】Everyone was on time for the meeting _____ Chris, who is always 10 minutes late for everything.

【单选题】“ 朋友是雨中的伞,有你不凄惨;朋友是雪中的炭,有你无严寒;朋友是被中的棉,有你才温暖;朋友是菜中的盐,有你才香甜。 ” 这告诉我们 ( ) 1 朋友带给我们温暖、支持和力量,让我们感受到生活的美好 2 在人生旅途上,朋友伴我们同行 3 友谊照亮我们的生活之路 4 朋友会为我们提供一切需要,满足我们所有的要求