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【单选题】
牙齿排列形成了弓形,能指导排列呈成方圆形弓形的是
A.
四个切牙切缘的略为平直,从尖牙的远中方才转向后端,下颌前牙也是这样
B.
舌尖与对侧同名牙的舌尖、颊牙所的曲线
C.
上颌侧切牙的远中逐渐向后端,使前牙联成的弓形较圆
D.
从上颌侧切牙的切缘即明显转向后端,使前牙排列的弓形呈尖圆形
E.
远中颊尖的
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【单选题】Questions 23-28 •Read the newspaper article below about Japanese investment. •For each question (23-28), choose the correct answer. •Mark one letter (A, B or C) on your Answer sheet. JAPAN INCREASES T...
A.
Europe
B.
The US
C.
Asia
【判断题】一般情况下,水溶液是极性化合物(酸性、碱性或两性化合物),一般采用离子交换法比较有利。水溶液是非极性化合物,适合采用萃取法来提取。( )
A.
正确
B.
错误
【单选题】听力原文:M: Tonight we have Chris Davenport with us in the studio. Welcome to the program. W: Thank you, Pat. M: Now Chris, you've been working for the Canadian Export Development Agency for three years n...
A.
To explain how Canadian firms could develop their export trade in Japan.
B.
To organize between two and three trade fairs in different regions each year.
C.
To learn many new things about exhibiting Canadian goods in foreign countries.
D.
To negotiate with others.
【单选题】•Read the newspaper article below about Japanese investment. •For questions 23-28, choose the correct answer. •Mark one letter (A, B or C) on your Answer sheet. JAPAN INCREASES TRADE AND INVESTMENT IN...
A.
Europe
B.
The US
C.
Asia
【多选题】下列不属于喷墨打印机优点的是( )
A.
喷墨印字技术同其它非击打式印字技术一样, 不具备拷贝能力
B.
具有高分辨率, 可高达336印点/厘米(600 DPI)
C.
印字速度快
D.
耗材成本高
【单选题】对理想气体反应 CO(g) + H2O(g) = H2(g) + CO2(g),下述哪种关系是正确的?
A.
)  Kx
B.
)  Kp= Kx
C.
)  Kx
D.
)  Kp
【单选题】腹泻伴重度脱水可见于
A.
吸收不良综合征
B.
肠结核
C.
溃疡性结肠炎
D.
霍乱
E.
慢性细菌性痢疾
【多选题】对理想气体反应 CO(g) + H2O(g) = H2(g) + CO2(g) ,下述关系不正确的是: ( )
A.
Kx< Kp
B.
Kp= Kx
C.
Kx= Kc
D.
Kp< Kc
【单选题】对理想气体反应CO(g) + H2O(g) = H2(g) + CO2(g) ,下述关系正确的是(   )。
A.
Ky< Kp
B.
Kp= Ky
C.
Ky= Kc
D.
Kp< Kc
【单选题】下列哪一项不属于喷墨打印机的特点?()
A.
打印噪声低
B.
一般打印幅面有A3和A4两种
C.
采用非击打工作方式
D.
打印耗材便宜
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