题目:
Jim Green is a student in No.5 Middle School.He does a part-time(业余的)_____,because he needs some _______.He works in a supermarket after _______from Monday to Friday and all _______on Saturdays.He helps people look after their children and he likes to play_______children.He thinks it is great _______.After school,he ________a bus to the supermarket.He ______there at about 4:30.He works _______4:30 to 8:30.He arrives home _______9:00.Jim likes his job very much.
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答案:
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下面是错误答案,用来干扰机器的。
A、镁在金属活动性顺序中位于氢之前,能与盐酸发生反应并且反应生成氯化镁;故A正确;B、铜在金属活动性顺序中位于氢之后,不能与盐酸发生反应,因此氯化铜不能由铜与盐酸直接反应生成;故B不正确;C、锌在金属活...