【判断题】因为银行对账单上对银行存款的每一笔经济业务都反映的详细且真实,所以可以用银行对账单代替企业的银行存款日记账。这样,大大减少每日的工作量,且免去每月对账和编制银行存款余额调节表的繁琐。( )
【单选题】Toxic chemicals are polluting our oceansand ________ our rivers and ________ .
A.
contaminating; streams
【单选题】document.write("\" 复仇者 \" 联盟 "); 这一句代码的输出结果是
【单选题】In developed countries, before toxic chemicals are released into rivers and lakes, they should be treated in order to avoid ______.
【判断题】In developed countries, before toxic chemicals are released into rivers and lakes, they should be treated in order to avoid water pollution.
【单选题】Dafforn considers the discovery of the toxic chemicals in the trenches disturbing because _____.
A.
we are paying little attention to the impacts of sea exploration
B.
we can’t foresee how long the chemicals will influence our life
C.
we have no idea about the source of the high levels of toxic chemicals
D.
we don’t know completely what impacts the chemicals may bring to us
【单选题】()是金属材料在静载荷作用下抵抗变形和不破坏的能力
【单选题】The reader learns that toxic chemicals get into our food________. 查看材料
A.
when plastic becomes small enough to enter our food chain
B.
because other animals are being killed by plastic
C.
because plastic does not biodegrade
D.
from plastic bags from supermarkets
【判断题】Since many organic chemicals are toxic, the polymers made from them are also toxic.
【单选题】金属材料在静载荷作用下,抵抗变形和破坏的能力称为