判断题

访谈或座谈通常是用于弥补事前资料搜集的不足或过于陈旧、现场勘测的多项限制（如天气、季节、时令等因素）。

答案：正确

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多项选择题

一个功能完整的生态系统的最少生物组成成份应包括（  ）
A.
A 植物
B.
B  分解者 C.
C  食草动物    D.
D 食肉动物

单项选择题

“ ZH ”正确的手语表示为
The correct gesture of "ZH" is
A、食、中、无名、小四指并齐伸直，跟拇指相捏，手背向上。
Stretch your index finger, middle finger, ring finger, small finger together, and then pinch the thumb, with the handback upward.
B、食、中、小三指伸直，指尖向左，手背向外，拇指和无名指弯曲，拇指搭在无名指上。
Stretch your index finger, middle finger, ring finger, with fingertips to the left, the handback outward; and thumb and ring finger bend with thumb on the ring finger.
C、食指和中指并齐弯曲，手指靠近手掌一节跟手掌 90 度角，拇指向上伸出，无名指和小指弯曲贴在手心，手心向前偏左。
Bend your index finger and middle finger together; fingers close to the palm and form a 90-degree angle with thumb up; ring finger and small finger bend in the palm with palm forward and to the left.
D、小指伸直，指尖向左，其余四指握拳，虎口向上，手背朝外
Stretch your small finger with fingertip to the left; clench the other four fingers, with Hukou upward, the handback outward