单项选择题 It is uncertain side effect the medicine will bring about, although about two thousand patients have taken it. A．that B．what C．howD．whether

单项选择题 第一节：单项填空（共20小题；每小题0.5分，满分10分）从A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该选项标号涂黑。1．—How about camping this weekend, just for a change?—OK, you want.A．whichever B．however C．whatever D．whoever

单项选择题 Many lifestyle. patterns do such great harm to health that they actually speed up weakening at the human body.A．a; / B．/; the C．a; the D．/; /