题目内容

One can make a password safer by ______.

A. inserting pictures between numbers
B. avoiding the use of letters altogether
C. setting up a firewall against computer hackers
D. using complicated combinations of numbers and letters

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The study of modem creatures ______.

A. is unrelated to the study of extinct animals
B. finds evidence missing in the study of extinct animals
C. has findings similar to those of the study of extinct animals
D. reveals a different pattern from the study of extinct animals

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According to the passage, red-list animals are more likely to ______.

A. be lazy
B. be timid
C. live long
D. sleep less

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在碳素钢的焊接过程中，只能从单面焊接的纵向和环向焊缝，其内壁最大错边量不应超过()。

A. 4 mm
B. 3 mm
C. 2 mm
D. 1 mm

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《机械设备安装工程施工及验收通用规范规定》规定，机械设备空负荷试运转中的各项实测记录必须符合要求，下列选项符合要求的是()。

A. 一般滑动轴承温升不应超过25℃
B. 滚动轴承温升不应超过40℃
C. 导轨最高温度不应超过100℃
D. 油箱油温最高不应超过60℃

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One can make a password safer by ______.

A. inserting pictures between numbers B. avoiding the use of letters altogether C. setting up a firewall against computer hackers D. using complicated combinations of numbers and letters

The study of modem creatures ______.

According to the passage, red-list animals are more likely to ______.

在碳素钢的焊接过程中，只能从单面焊接的纵向和环向焊缝，其内壁最大错边量不应超过()。

《机械设备安装工程施工及验收通用规范规定》规定，机械设备空负荷试运转中的各项实测记录必须符合要求，下列选项符合要求的是()。

A. inserting pictures between numbers
B. avoiding the use of letters altogether
C. setting up a firewall against computer hackers
D. using complicated combinations of numbers and letters