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【单选题】
'银联'标识从依次是()三种颜色。A.
红、蓝、绿
B.
蓝、红、绿
C.
绿、红、蓝
D.
红、绿、蓝
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【单选题】Who has bought chocolate for their mother?
A.
Stanley.
B.
Stanley and Emily.
C.
Emily.
【单选题】A mother who ________ her son will do everything for his happiness.
A.
is loving
B.
loves
C.
loved
D.
has loved
【单选题】根据柴油机喷油泵的油量调节机构固定的位置不同，速度特性可分为（）。 a．额定外特性； b．超负荷速度特性； c．部分外特性； d．推进特性； e．限制特性。
A.
a～d
B.
a～e
C.
a～c
D.
b～e
【单选题】A mother who ___ here son will do everything for his happiness.
A.
is loving
B.
loves
C.
loved
D.
has loved
【单选题】Who has bought chocolate for their mother?
A.
Stanley.
B.
Emily.
C.
Stanley and Emily.
【单选题】A newborn infant of a mother who has human immunodeficiency virus (HIV) infection is tested for the presence of HIV antibodies. An enzyme-linked immunosorbent assay (ELISA) is performed, and the resul...
A.
Positive for HIV
B.
Indicates the presence of maternal infection
C.
Indicates that the newborn will develop acquired immunodeficiency syndrome (AIDS) later in life
D.
Positive for AIDS
【简答题】飞机起降的理想条件是( ) A .顺风起降 B .逆风起降 C .侧风起降 D .阵风起降
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