皮皮学，免费搜题
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【单选题】
食品安全危害可定义为 ( )。
A.
食品中存在致病菌的危险
B.
加热时间与温度控制有误
C.
昆虫污染的食品
D.
食品中含有可能对人体健康造成伤害的因素
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【判断题】海关取样凭单查验结束后，查验人员可以不填写查验记录并签名。
A.
正确
B.
错误
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【单选题】复数的辅角主值取值范围是
A.
（0，π）
B.
（0，π]
C.
（-π，π）
D.
（-π，π]
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【多选题】以下药品受震或受热可能发生爆炸的是
A.
二氧化硅
B.
过氧化物
C.
高氯酸盐
D.
乙炔铜
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【单选题】以下药品受震或受热可能发生爆炸的是:
A.
过氧化物
B.
高氯酸盐
C.
乙炔铜
D.
其余三个选项都是
查看完整题目与答案
【单选题】That green foliage (
A.
was
B.
were) restful.
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【单选题】If a country has net exports of $8 billion and sold $40 billion of goods and services abroad, then it has
A.
$40 billion of exports and $32 billion of imports.
B.
$48 billion of exports and $40 billion of imports.
C.
$40 billion of imports and $32 billion of exports.
D.
$48 billion of imports and $40 billion of exports.
查看完整题目与答案
【单选题】以下药品受震或受热可能发生爆炸的是：
A.
过氧化物
B.
高氯酸盐
C.
乙炔铜
D.
以上都是
查看完整题目与答案
【单选题】The ________ is the difference between merchandise imports and exports and a measure of a country's international trade in goods and services.
A.
balance of payments
B.
current account
C.
capital account
D.
balance of trade
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【单选题】If the United States exports $100 billion of goods and services and imports $150 billion of goods and services and there is no other factor income or transfers, the balance on the financial account is...
A.
$250 billion.
B.
–$250 billion.
C.
$50 billion.
D.
–$50 billion.
查看完整题目与答案
【判断题】services exports and imports refers to international earnimgs other thanthose from goods sent to another county.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【判断题】海关取样凭单查验结束后，查验人员可以不填写查验记录并签名。
A.
正确
B.
错误
查看完整题目与答案
【单选题】复数的辅角主值取值范围是
A.
（0，π）
B.
（0，π]
C.
（-π，π）
D.
（-π，π]
查看完整题目与答案
【多选题】以下药品受震或受热可能发生爆炸的是
A.
二氧化硅
B.
过氧化物
C.
高氯酸盐
D.
乙炔铜
查看完整题目与答案
【单选题】以下药品受震或受热可能发生爆炸的是:
A.
过氧化物
B.
高氯酸盐
C.
乙炔铜
D.
其余三个选项都是
查看完整题目与答案
【单选题】That green foliage (
A.
was
B.
were) restful.
查看完整题目与答案
【单选题】If a country has net exports of $8 billion and sold $40 billion of goods and services abroad, then it has
A.
$40 billion of exports and $32 billion of imports.
B.
$48 billion of exports and $40 billion of imports.
C.
$40 billion of imports and $32 billion of exports.
D.
$48 billion of imports and $40 billion of exports.
查看完整题目与答案
【单选题】以下药品受震或受热可能发生爆炸的是：
A.
过氧化物
B.
高氯酸盐
C.
乙炔铜
D.
以上都是
查看完整题目与答案
【单选题】The ________ is the difference between merchandise imports and exports and a measure of a country's international trade in goods and services.
A.
balance of payments
B.
current account
C.
capital account
D.
balance of trade
查看完整题目与答案
【单选题】If the United States exports $100 billion of goods and services and imports $150 billion of goods and services and there is no other factor income or transfers, the balance on the financial account is...
A.
$250 billion.
B.
–$250 billion.
C.
$50 billion.
D.
–$50 billion.
查看完整题目与答案
【判断题】services exports and imports refers to international earnimgs other thanthose from goods sent to another county.
A.
正确
B.
错误
查看完整题目与答案