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  3. The physical structure of the human eye enables it to sense light of wavelengths

The physical structure of the human eye enables it to sense light of wavelengths

游客2025-02-25  11
问题 The physical structure of the human eye enables it to sense light of wavelengths up to 0.0005 millimeters; infrared radiation, however, is invisible because its wavelength—0.1 millimeters— is too long to be registered by the eye.
选项 A、infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long to be registered by the eye
B、however, the wavelength of infrared radiation—0.1 millimeters—is too long to be registered by the eye making it invisible
C、infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long for the eye to register it
D、however, because the wavelength of infrared radiation is 0.1 millimeters, it is too long for the eye to register and thus invisible
E、however, infrared radiation has a wavelength of 0.1 millimeters that is too long for the eye to register, thus making it invisible
答案 A
解析 too…to的句型。一般只有两种形式：too adj．+to do sth．和too adj．+to be done by sb．(sth．)，而没有too+adj．+for sb．／sth．+to do sth．这种表达，因而选A。B中的making it invisible改变了句子的意思。
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