为了使采集的土壤分析样品有代表性，要按随机、多点、（）的方法进行操作
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因其毒性大，禁止静注给药的是（）
A. 链霉素
B. 新霉素
C. 大观霉素
D. 阿米卡星
E. 卡那霉素
临床常用于治疗结核病的药物是（）
A. 链霉素
B. 新霉素
C. 大观霉素
D. 阿米卡星
E. 卡那霉素
The ORDERS table has these columns: ORDER_ID NUMBER(4) NOT NULL CUSTOMER_ID NUMBER(12) NOT NULL ORDER_TOTAL NUMBER(10,2) The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）
A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;
B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;
C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;
D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;
E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000
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