【判断题】【消耗次数：1】
放大镜、天平、水箱等材料应投放在操作区。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【多选题】
科学活动中的材料应如何投放（ ）。
①
材料的投放要有明确的主题并且紧扣具体活动目标。
②
投放材料难度形成一定的层次。
③
投放材料的开放性。
④
同种材料与多种材料的灵活运用。
随机题目
【单选题】
15. He was determined to cross _____of the Atlantic Ocean by sailing westwards.
①
dangerous water
②
the dangerous water
③
the dangerous waters
④
dangerous waters
【单选题】
25. I object ________ being kept waiting. Why are you always late ________ appointments?
①
/;for
②
to; for
③
in; for
④
to; in
【单选题】
9.He is far ______in sports than I am.
①
more interested
②
more interesting
③
as interested
④
as interesting
【单选题】
5.Ten minutes later a taxi ______ in front of the house, where we had arranged to meet.
①
pulled out
②
. pulled up
③
pulled down
④
pulled off
【单选题】
29. I remember __________ for the job, but I forget the exact amount.
①
to be paid
②
get paid
③
that I receive pay
④
being paid
【单选题】
10. The coffee is very weak. I like it a bit ______.
①
strong
②
heavier
③
stronger
④
heavy
【单选题】
24.Don’t worry about Susan. She hasn’t been _____________ she pretends.
①
as lucky as
②
as unlucky as
【单选题】
4.After a delay of two hours, it was finally announced that the passengers could now _______ the plane.
①
get for
②
get up
③
go to
④
board