填空题 Debbie plans ____ (study) abroad next year.

单选题 Any mechanical force that tends to oppose motion.

单选题 The only metal that is liquid at ordinary temperatures.

单选题 The property of something that can be worked or hammered or shaped without breaking.

单选题 Consisting of or containing or of the nature of crystals.

单选题 Twist and press out of shape

单选题 The property of a material to conduct heat.

单选题 The property of a metal that can be stretched without being damaged.

单选题 Of or relating to or containing iron