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问题
单项选择题
如果装置发生停电,则反应炉出口温度将()。
A、升高
B、降低
C、不变
D、无法确定
答案
参考答案:A
选择题
读一读,给下列对话选择对应的图片。
( ) 1. A: What are they doing?
B: They're picking up leaves.
A.
( ) 2. A: What are the goats doing?
B: They're fighting.
B.
( ) 3. A: Is she writing an e-mail?
B: No. She's writing a letter.
C.
( ) 4. A: Are they doing an experiment?
B: Yes, they are.
D.
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判断题
预制凭证不更新总账。
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