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【单选题】
目前我国的环境与资源保护行政主管机构是（ ）。A.
国务院环境保护委员会
B.
国家环境保护部
C.
国务院发展计划委员会
D.
国土资源部
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【简答题】However, gig economy is not perfect. Platforms claim that they are just ____,
【单选题】"Gig economy" has the following characteristics except___________.
A.
that short-term contracts are of prevalence
B.
that freelance work is common
C.
that temporary work is common
D.
that there are usually permenent jobs
【单选题】What are the benefits of gig economy?
A.
flexibility and higher independence in pay and hours
B.
variety in work and maxing out earning potential
C.
saving cost for businesses
D.
all the above
【单选题】鸡传染性支气管炎的特征病变是（ ）
A.
气囊黏膜增厚和混浊，表面有结节样病灶，内含干酪样物
B.
鼻窦、眶下窦和眼结膜囊内有干酪样物
C.
喉头和气管黏膜出血和坏死，并有纤维素性假膜覆盖
D.
气管和支气管黏膜呈卡他性炎症，并有浆液性或干酪样渗出物
【简答题】传染性支气管炎的病理变化是什么？
【单选题】The United Kingdom has the ______ largest national economy.
A.
3rd
B.
5th
C.
4th
D.
6th
【单选题】The example of “gig economy”shows that AI____.
A.
has posed a threat to straightforward jobs
B.
has been used to improve workers’ skills
C.
many harm workers’ rights and dignity
D.
many liberate us from tedious tasks
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