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【简答题】
The Environmental Protection Agency has set limits for the radiation permitted to leak from a proposed nuclear waste burial center in the state of Nevada. The action will help decided whether the federal government can build the nuclear waste dump at 【S1】______ Yucca Mountain. The dump would be used to bury about seventy-thousand tons of nuclear waste. The waste includes use nuclear fuel from power 【S2】______ centers and waste flora the production of nuclear weapons. The waste is now stored at 【S3】______ power center around the country. Yucca Mountain is owned by the federal government No one lives there. It is in a 【S4】______ extremely dry area more than one-hundred-forty-five kilometers northwest of Las Vegas. The administration of President Bush behaves a nuclear waste Dump should develop there. It says this dump is needed to 【S5】______ permit an decrease in nuclear power centers. Federal officials 【S6】______ supports more use of nuclear power because of the nation's energy problems. But 【S7】______ Nevada state officials strongly approve the plan. The dispute about Yucca Mountain 【S8】______ has continued for almost twenty years. The Environmental Protection Agency recently establish radiation limits for 【S9】______ groundwater, air and soil near Yucca Mountain. Both sides claimed that the agency ruling helped their cause. Department of Energy Secretary Spencer Abraham says his agency can meet the new requirement. Mister Abraham says the government may 【S10】______ continue with the project by the end of the year. 【S1】
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【多选题】检查粪便排出的孕节常用于诊断 ( )
A.
棘球蚴病
B.
囊虫病
C.
猪带绦虫病
D.
牛带绦虫病
E.
蛲虫病
【多选题】下列差分方程所描述的系统不是线性系统的是( )。
A.
B.
C.
D.
【判断题】He tried hardly but failed to finish his work in time.
A.
正确
B.
错误
【简答题】He tried (hard, hardly) but failed to finish his work in time.
【多选题】生产性粉尘的理化特性包括( )
A.
化学组成
B.
分散度
C.
溶解度
D.
形状与硬度
【多选题】生产性粉尘的理化特性包括()。
A.
化学组成
B.
分散度
C.
溶解度
【单选题】He had hardly had time to finish the sound-recording ______ he turned off the radio.
A.
when
B.
than
C.
until
D.
as
【单选题】Hardly ______ his speech ______ the audience started cheering.
A.
did he finish; than
B.
does he finish; before
C.
has he finished; while
D.
had he finished; when
【多选题】生产性粉尘的理化特性包括().
A.
化学组成
B.
分散度
C.
溶解度
D.
形状与硬度
E.
荷电性
F.
爆炸性
【简答题】Hardly he (finish) ______ his speech when the audience started sheering.