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【判断题】
Dark color, such as black, dark blue and charcoal grey are the predominant colors in British culture.
A.
正确
B.
错误
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【单选题】—Did Alan enjoy seeing his old friends yesterday? ? —Yes, he did.He ______ his old friends for a long time.
A.
didn’t see
B.
hadn’t seen
C.
hasn’t seen
D.
wouldn’t see
【单选题】诊断肉瘤的主要形态依据是
A.
包膜消失
B.
浸润性生长
C.
瘤细胞异型性明显
D.
瘤细胞弥漫分布与间质分界不清
E.
瘤巨细胞多
【单选题】( ) 5.How much did you pay for that book?
A.
注意
B.
付款
C.
偿还
【单选题】有共同目的、明确分工和彼此协调、合作的游戏称为( )。
A.
协同游戏
B.
合作游戏
C.
假装游戏
D.
共同游戏
【判断题】在单管放大电路中,若VG不变,只要改变集电极电阻Rc的值就可改变集电极电流Ic的值
A.
正确
B.
错误
【单选题】当晶体管在发射结加正偏电压,集电结加反偏电压,则晶体管工作在哪个区域?
A.
放大区
B.
饱和区
C.
截止区
【单选题】—Did Alan see his old friends yesterday? —Yes, he did. He his old friends for several years.
A.
didn’t see
B.
wouldn’t see
C.
hasn’t seen
D.
hadn’t seen
【单选题】诊断肉瘤的主要形态依据是()
A.
无包膜
B.
瘤细胞弥漫分布与间质界限不清
C.
呈浸润性生长
D.
肿块大,生长速度快
【判断题】在单管放大电路中,若Vg不变,只要改变集电极电用Rc的值就可改变集电极电流Ic的值。
A.
正确
B.
错误
【简答题】In Disneyland every year, some 800,000 plants are replaced because Disney refused to ________ signs asking his “guests” not to step on them. A) put down B) put out C) put up D) put off
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