背斜的煤层凸起(),岩层自中心(),其中心部分为(),两侧依次对称出露()。
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You are currently located in Singapore and have connected to a remote database in Chicago. You issue the following command:SQL> SELECT ROUND (SYSDATE-promo_begin_date, 0) FROM promotions WHERE (SYSDATE-promo_begin_date)/365 >2;PROMOTIONS is the public synonym for the public database link for the PROMOTIONS table. What is the outcome?()
A. an error because the ROUND function specified is invalid
B. an error because the WHERE condition specified is invalid
C. number of days since the promo started based on the current Chicago date and time
D. number of days since the promo started based on the current Singapore date and time&e
光镜下,黏液细胞呈锥体形。胞质内含丰富的黏原颗粒,且在固定及染色过程中,胞质透明呈网状结构的是以下哪种腺泡的细胞()
A. 分泌管
B. 黏液性腺泡
C. 混合性腺泡
D. 排泄管
E. 浆液性腺泡
在企业价值评估中,对无效资产的处理方式是()。
A. 资产剥离
B. 资产重组
C. 单独评估
D. 不予评估