The second largest racial and ethnic group in the United States is
A. the White.
B. the Hispanics.
C. Chinese.
D. the Blacks.
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当偏心的作用力在截面外时,一般为大偏心,中性轴也位于截面外。与此相反,小偏心受压柱的中性轴在截面内。( )
A. 对
B. 错
肾精不足、肾气不固、肾虚水泛的共同表现是
A. 腰膝酸软
B. 眩晕耳鸣
C. 梦遗失精
D. 精神倦怠
E. 浮肿少尿
Please do not ______ to contact our office in case of any difficulties. We are always ready to help.
A. hesitate
B. delay
C. stop
D. postpone
当业主分户账而住宅专项维修资金余额不足首期交存额的______时,应当及时续交。
A. 10%
B. 20%
C. 30%
D. 50%