Communities are part of everyday life and have positive()on its members.
A. affects
B. effects
C. efforts
第1题:
Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object?()
A.CREATE UNIQUE INDEX idx_partno ON parts(part_no)
B.CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)
C.CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)
D.CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)
第2题:
1 从下列句子中选出一句最好的表达
A.A.Every day, he labored from dawn to sundown, plowed his field, turned the soil, and tended to his pistachio (开心果) trees.#B.B.Every day, he plowed his field and turned the soil, tending to his pistachio trees and laboring from dawn to sundown.#C.C.Every day, he labored from dawn to sundown, plowing his field, turning the soil and tending to his pistachio trees.#D.D.Every day, laboring from dawn to sundown, plowing his fi第3题:
真核生物ITS序列由ITS1和ITS2两部分组成。
第4题:
第5题:
1、从下列句子中选出一句最好的表达
A.Every day, he labored from dawn to sundown, plowed his field, turned the soil, and tended to his pistachio (开心果) trees.#B.Every day, he plowed his field and turned the soil, tending to his pistachio trees and laboring from dawn to sundown.#C.Every day, he labored from dawn to sundown, plowing his field, turning the soil and tending to his pistachio trees.#D.Every day, laboring from dawn to sundown, plowing his field, and第6题:
从下列句子中选出一句最好的表达
A.Every day, he labored from dawn to sundown, plowed his field, turned the soil, and tended to his pistachio (开心果) trees.#B.Every day, he plowed his field and turned the soil, tending to his pistachio trees and laboring from dawn to sundown.#C.Every day, he labored from dawn to sundown, plowing his field, turning the soil and tending to his pistachio trees.#D.Every day, laboring from dawn to sundown, plowing his field, and