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【单选题】
We have to make sustaining efforts to _____ our goal.
A.
contain
B.
retain
C.
attain
D.
entertain
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参考答案:
举一反三
【简答题】1 ) The floods in the Yangtze Rive r basin are the worst in 44 years.2) Official figures indicate that more than 2000 people have been drowned and 13.8 million have been driven from their jhomes.3) Cr...
【单选题】以易化扩散的方式跨膜转运的物质主要是
A.
乙醇
B.
Na 2+
C.
CO 2
D.
O 2
E.
Ach
【判断题】每个系统都是具有特定功能的有机整体,系统的整体功能大于各部分功能之和。( )
A.
正确
B.
错误
【单选题】以下哪种跨细胞膜的物质转运方式不需要消耗能量?
A.
原发性主动转运
B.
易化扩散
C.
出胞(胞吐)
D.
入胞(胞吞)
【单选题】以易化扩散的方式跨膜转运的物质主要是
A.
乙醇
B.
钠离子
C.
二氧化碳
D.
氧气
E.
乙酰胆碱
【简答题】Economy not in er 疫情面前,中国经济韧性仍在。 It has been nearly two months since the first case of novel coronavirus (新型冠状病毒) was found in Wuhan.uAs most people stay at home and many industries delay (推迟) the...
【简答题】China’s footstep has become increasingly important for the global economy, as it’s grown in size and share. China is now responsible for about 13% of global economic activity, compared to 5% in 2006 a...
【单选题】企业在工资率下降的时候一般倾向于增雇工人,假如对工人的需求缺乏价格弹性,工资率的下降将导致工资总额
A.
减少
B.
不变
C.
增加
D.
无法确定
【单选题】企业在工资率下降的时候一般倾向于增雇工人 ,假如对工人的需求缺乏价格弹性,工资率的下降将导致工资总额
A.
增加
B.
减少
C.
不变
D.
难以确定
【单选题】The outbreak of the novel coronavirus has had a(n) ____ impact on China’s economy temporarily and rebound will come soon when the virus is contained.
A.
reverse
B.
diverse
C.
converse
D.
adverse
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