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【单选题】
形成视觉的三个基本要素是A.
眼睛，光，被观察的物体
B.
光的波长，速度，和视力
C.
眼睛，光，颜色
D.
光，物体和视力
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皮皮学刷刷变学霸
举一反三
【单选题】突发性公共卫生事件是指
A.
突然发生，造成或者可能造成社会公众健康严重损害的重大传染病疫情
B.
群体性不明原因疾病
C.
重大食物和职业中毒
D.
其他严重影响公众健康的事件
E.
以上都是
【单选题】甲公司2015年3月1日A商品的账面余额为500万元,存货跌价准备贷方余额为20万元,当月外购A商品1500万元。月末库存A商品的市场售价为2100万元,预计销售税费为80万元。则月末应计提的存货跌价准备为( )。
A.
0万元
B.
20万元
C.
40万元
D.
-20万元
【单选题】We have to _____ our sports meeting till next week because of the heavy rain. [ ]
A.
put off
B.
put on
C.
put up
D.
put down
【单选题】our daily expenses, we have to put quite a lot for our daughter’s further education.
A.
In addition
B.
As well as
C.
Beside
D.
in addition to
【单选题】By almost every measure, Paul Pfingst is an unsentimental prosecutor. Last week the San Diego County district attorney said he fully intends to try (1)_____ Charles Andrew Williams, 15, as an adult (2...
A.
criminal
B.
suspect
C.
student
D.
executive
【单选题】Last week the couple revisited the city ______ they spent their first holiday.
A.
in that
B.
which
C.
where
D.
when
【单选题】Last week the seamen's strike led to the ______ closure of the entire vast dock area.
A.
virtual
B.
factual
C.
local
D.
actual
【单选题】----What bad weather! It’s raining again. -----Yeah. We have to ______our school trip.
A.
put on
B.
put up
C.
put off
D.
put away
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