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【单选题】
国家加强农业机械化标准体系建设，制定和完善农业机械产品质量、（）和作业质量等标准。对农业机械产品涉及人身安全、农产品质量和环境保护的技术要求，应当按照有关法律、行政法规的规定制定强制执行的技术规范。A.
维修问题
B.
维修质量
C.
使用期限
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皮皮学刷刷变学霸
举一反三
【单选题】Days are longer __________ summer than __________ winter.
A.
in;in
B.
in;on
C.
from;to
【简答题】What happened to the plane the author took that Friday morning?
【单选题】Museums in the Modern World 1.Museums have changeD．They are no longer places for the privileged few or for bored vacationers to visit on rainy days. Action and democracy are words used in descriptions...
A.
Causes of changes
B.
Increasing number of museums and visitors
C.
Museums getting closer to more spectators
D.
Movies shown in museums
E.
New notions about, the management of museums
F.
Places to visit
【单选题】Which one is the topic sentence? ( 1 ) The 19th-century American philosopher Henry David Thoreau was famous for saying, “ Simplify, simplify. ” ( 2 ) Unfortunately, the trend these days seems to be “ ...
A.
1
B.
3
C.
5
D.
7
E.
9
F.
10
【单选题】Before the author took a three-month program, he had undergone a four-hour evaluation.
A.
Y
B.
N
C.
NG
【简答题】下列的网络设备分别工作在 OSI模型的哪一层?
【简答题】担保贷款不包括（ ）。
【简答题】n. 轻视,轻蔑,鄙视
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