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【单选题】
垂直于投影面的平面，其投影为（）A.
一个点
B.
一条直线
C.
一个平面
D.
一个与实际一样大小的平面
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【单选题】After more than 20 years' strenuous struggle, the country's birthrate is ( ) brought under control.
A.
essentially
B.
presently
C.
momentarily
D.
eventually
【简答题】________接口的对象可以代表一个预编译的SQL语句,它是_________接口的子接口。
【单选题】我国主要恶性肿瘤的流行趋势说法正确的是：
A.
从时间趋势来看，肺癌呈明显的上升趋势，农村的死亡率低于城市，城乡差别正在扩大
B.
肝癌发病缓慢上升趋势，沿海地区高于内地，东南高于其他地区，肝癌高发与气候关系密切
C.
肺癌的年龄分布特点是随年龄增长不断上升
D.
肝癌的年龄别死亡率高峰为青壮年，且随年龄增加而累积上升
E.
肝癌的高发区，肝癌死亡率向高年龄组推移趋势
【单选题】After more than 20 years' strenuous struggle, the country's birthrate is brought under control.
A.
e ventually
B.
pre sently
C.
momentarily
D.
e ssentiall y
【单选题】More than 20 cars of the new type in the first three days after its launch last Saturday.
A.
sold
B.
has sold
C.
were sold
D.
has been selling
【单选题】After more than 20 years' strenuous struggle, the country ’ s birthrate is _________ brought under control . prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
e ventually
B.
prese ntly prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
momentarily
D.
essentially prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【单选题】Which of the following statements about the Taylor Bridge Fire is NOT true?
A.
The fire started in Monday afternoon.
B.
The fire originated in the state of Colorado.
C.
The fire has led to the evacuation of about 900 people.
D.
The fire has caused no injuries so far.
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