判断题

The length of abstracts varies according to discipline and the length of the work.
正确
错误

答案：正确

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单项选择题

The following relate to procedures for materials: 1. Check the goods received note. 2. Raise a stores requisition note. 3. Update the stores ledger account for the purchase. 4. Raise a purchase order .What would be the correct order of the above when in the process of purchasing and using materials?

A．4, 2, 1, 3
B．2, 1, 3, 4
C．4, 1, 3, 2
D．1, 4, 3, 2

单项选择题

2. For most of its history, the teaching of pronunciation has been biased toward the aspects of the sound system: sounds, ______ and rules, stress, intonation, and rhythm.
A、grammatical structure
B、phonetic symbols
C、meaning
D、usage