每学年新生入学后的第一、二周为军训和入学教育时间。()
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目前,我校国家助学贷款的发放实行的是一次申请、一次授信、一次发放的方式。()
Why does the author mention "Indian mustard"?
A. To warn about possible risks involved in phytoremediation
B. To help illustrate the potential of phytoremediation
C. To show that hyperaccumulating plants grow in many regions of the world
D. To explain how zinc contamination can be reduced
It can be inferred from paragraph 6 that compared with standard practices for remediation
A. does not allow for the use of the removed minerals for industrial purposes
B. can be faster to implement
C. is equally friendly to the environment
D. is less suitable for soils that need to be used within a short period of time
减速器的传动比i=()。A.>1;B.<1;C.=1。减速器的传动比i=()。A.>1;B.<1;C.=1。
减速器的传动比i=()。
A. >1;
B. <1;
C. =1。