卡介苗接种后所致结核菌素阳性反应是指硬结直径A．20mm D．5～9

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问题单项选择题

卡介苗接种后所致结核菌素阳性反应是指硬结直径

A．<5mm

B．15～20mm

C．>20mm

D．5～9m3～5天后反应消失

E．10～15mm，l周后留有色素

答案

参考答案：D

多项选择题

在开展危害辨识、风险评价和风险控制策划时，应考虑的因素有______。

A．常规活动和非常规活动

B．作业场所内所有物料、装置和设备

C．政府部门的支持程度

D．当地经济承受力

E．进入作业场所所有人员的活动

填空题

用所给动词的适当形式填空

1. Watertown is a great place for a whole family to take a vacation, for it is very_____ (interest) there.

2. Small children have _____ (organize) games and the staff dress up as clowns.

3. We will spend many happy hours _____ (walk) through the thick forests.

4. The collection of modern paintings is both _____ (fascinate) and interesting.

5. People change the way they speak when _____ (talk) with different people.