皮皮学,免费搜题
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【简答题】
2 An international summer school Listen to a talk about an international school and indicate whether the following statements are true or false by writing T for a statement which is true and F for a statement which is false. 1. A summer course lasts one month. 2. The school is far from the center of London. 3. The students already know who their class teachers are. 4. The students have already been on a sightseeing tour of the area. 5. All students have to live on university campus. 6. The local sightseeing tour is on every Friday afternoon. 7. You have to contact the school office if you want to take part in the weekend excursion. 8. All trips organized by the school are free of charge. 9. The school has a very good relationship with the local organizations. 10. The students are not representing the university when they are out.
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皮皮学刷刷变学霸
举一反三
【单选题】根据考勤,一学期请假并缺课超过总学时三分之一者应当_____。
A.
30
B.
35
C.
40
D.
45
【单选题】下列能量饲料中能值最高的是( )。
A.
A、玉米
B.
B、糖蜜
C.
C、猪油
D.
D、麸皮
【简答题】是将一种幅值的交流电能转化为同频率的另一种幅值的交流电能。
【单选题】下列能量饲料中能值最高的是( )。
A.
玉米
B.
小麦麸
C.
大豆油
D.
糖蜜
【多选题】离合系统排空的正确操纵顺序是()
A.
踩下离合器踏板,然后关闭放气阀
B.
检查并补充足量制动液
C.
打开放气螺栓
D.
抬起离合器踏板,然后打开放气阀
【判断题】等性sp3杂化轨道的空间构型是正四面体。
A.
正确
B.
错误
【简答题】(occupy) She’s been very ______ recently because her mother has been very ill.
【单选题】如右图所示, A 、 B 两球用劲度系数为 k 1 的轻弹簧相连, B 球用长为 L 的细绳悬于 O 点, A 球固定在 O 点正下方,且 O 、 A 间的距离恰为 L ,此时绳子所受的拉力为 F 1 . 现把 A 、 B 间的弹簧换成劲度系数为 k 2 的轻弹簧,仍使系统平衡,此时绳子所受的拉力为 F 2 ,则 F 1 与 F 2 的大小关系为 ( )
A.
F 1 < F 2
B.
F 1 > F 2
C.
F 1 = F 2
D.
因 k 1 、 k 2 大小关系未知,故无法确定
【单选题】.电桥测量电路的作用是把传感器的参数转换为()的输出
A.
电阻
B.
电压
C.
电容
D.
电荷
【判断题】面粉的主要化学成分有蛋白质、糖、脂肪、灰分、粗纤维,少量维生素和酶组成。
A.
正确
B.
错误
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