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【单选题】
-I hear Tom ________ playing games. -________ no wonder he is easy to feel sleepy in class. [     ]
A.
is addicted to; There is
B.
addicts; There is
C.
addicts; It is
D.
is addicted to; It is
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参考答案:
举一反三
【判断题】汽车横向垂直平面内,转向主销中心线与铅锤线之间的角度称为 主销后倾角 。
A.
正确
B.
错误
【单选题】荧光物质的荧光强度与该物质的浓度成线性关系的条件是
A.
单色光
B.
稀溶液
C.
入射光强度一定
D.
样品池厚度一定
【单选题】荧光物质的荧光强度与该物质的浓度成线性关系的条件是
A.
复色光
B.
样品为浓溶液
C.
入射光强度不一定
D.
样品池厚度一定
【单选题】. China has hundreds of islands, _____ is Taiwan.
A.
the largest of which
B.
of which largest
C.
which the largest
D.
in which the largest
【多选题】荧光物质的荧光强度与该物质的浓度成线性关系的条件是
A.
单色光
B.
Ecl≤0.05
C.
入射光强度 I 0 一定
D.
样品池厚度一定
【单选题】科学意象的艺术表达不包括()
A.
科学意象的视觉传达
B.
科学意象的音乐传达
C.
科学意象的舞蹈传达
D.
科学意象的听觉传达
【单选题】which of the following plays a role in making the islands “a paradise for wildlife”?
A.
Animals on the islands feed on grass。
B.
Local government forbids killing wildlife.
C.
People cannot visit the islands as they wish.
D.
tourists are not allowed to touch the animals。
【多选题】Which islands belong to UK ?
A.
. the Orkney Is.
B.
the Great Britain I.
C.
the Shetland Is.
D.
the Isle of Man
【单选题】China has many islands, ____ the largest is Taiwan.
A.
in which
B.
at which
C.
of which
【单选题】China has thousands of islands, the largest ___ is Taiwan.
A.
in which
B.
which
C.
in that
D.
of which
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